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Alison Blackbourn

Bib: 29686•F

0:00

0:00

/ mi

Masters

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Overall

#0 / 29021

Gender (Female)

#0 / 12578

Masters (Masters Women)

#0 / 6862

Age Group (F45-49)

#0 / 1786

Race Day Weather

51°/41°F

overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start

0:00:00

Race begins

Start

0:00:00

Race begins

27:58

3.11 mi

Rank: #22678

Start → 5K

27:58 | 9:01/mi

27:58

3.11 mi

Rank: #22678

Start → 5K

27:58 | 9:01/mi

10K

55:19

6.21 mi

Rank: #22302 (+376)

5K → 10K

27:21 | 8:49/mi

10K

55:19

6.21 mi

Rank: #22302 (+376)

5K → 10K

27:21 | 8:49/mi

15K

1:22:55

9.32 mi

Rank: #22247 (+55)

10K → 15K

27:36 | 8:54/mi

15K

1:22:55

9.32 mi

Rank: #22247 (+55)

10K → 15K

27:36 | 8:54/mi

20K

1:50:59

12.43 mi

Rank: #22174 (+73)

15K → 20K

28:04 | 9:03/mi

20K

1:50:59

12.43 mi

Rank: #22174 (+73)

15K → 20K

28:04 | 9:03/mi

HALF

1:57:14

13.11 mi

Rank: #22225 (-51)

20K → HALF

6:15 | 9:11/mi

HALF

1:57:14

13.11 mi

Rank: #22225 (-51)

20K → HALF

6:15 | 9:11/mi

25K

2:19:43

15.53 mi

Rank: #22232 (-7)

HALF → 25K

22:29 | 9:17/mi

25K

2:19:43

15.53 mi

Rank: #22232 (-7)

HALF → 25K

22:29 | 9:17/mi

30K

2:49:46

18.64 mi

Rank: #22227 (+5)

25K → 30K

30:03 | 9:41/mi

30K

2:49:46

18.64 mi

Rank: #22227 (+5)

25K → 30K

30:03 | 9:41/mi

20M

3:03:15

20.00 mi

Rank: #22257 (-30)

30K → 20M

13:29 | 9:56/mi

20M

3:03:15

20.00 mi

Rank: #22257 (-30)

30K → 20M

13:29 | 9:56/mi

21M

3:14:09

21.00 mi

Rank: #22319 (-62)

20M → 21M

10:54 | 10:54/mi

21M

3:14:09

21.00 mi

Rank: #22319 (-62)

20M → 21M

10:54 | 10:54/mi

35K

3:21:15

21.75 mi

Rank: #22293 (+26)

21M → 35K

7:06 | 9:30/mi

35K

3:21:15

21.75 mi

Rank: #22293 (+26)

21M → 35K

7:06 | 9:30/mi

23M

3:33:38

23.00 mi

Rank: #22258 (+35)

35K → 23M

12:23 | 9:54/mi

23M

3:33:38

23.00 mi

Rank: #22258 (+35)

35K → 23M

12:23 | 9:54/mi

24M

3:43:00

24.00 mi

Rank: #22190 (+68)

23M → 24M

9:22 | 9:22/mi

24M

3:43:00

24.00 mi

Rank: #22190 (+68)

23M → 24M

9:22 | 9:22/mi

40K

3:51:01

24.85 mi

Rank: #22124 (+66)

24M → 40K

8:01 | 9:23/mi

40K

3:51:01

24.85 mi

Rank: #22124 (+66)

24M → 40K

8:01 | 9:23/mi

25.2M

3:54:13

25.20 mi

Rank: #22051 (+73)

40K → 25.2M

3:12 | 9:17/mi

25.2M

3:54:13

25.20 mi

Rank: #22051 (+73)

40K → 25.2M

3:12 | 9:17/mi

FINISH

4:02:49

26.22 mi

Rank: #21941 (+110)

25.2M → FINISH

8:36 | 8:27/mi

FINISH

4:02:49

26.22 mi

Rank: #21941 (+110)

25.2M → FINISH

8:36 | 8:27/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster

via HALF

Distance13.11 mi

Time1:57:14

Pace8:57 /mi

2nd Half

Spacer

Distance13.11 mi

Time2:05:35

Pace9:35 /mi

📊Positive Split: 7.1% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:52:03	27:58	9:01	27:58	9:01	-
10K	6.21 mi	12:19:24	55:19	8:55	27:21	8:49	-0:12
15K	9.32 mi	12:47:00	1:22:55	8:54	27:36	8:54	+0:05
20K	12.43 mi	13:15:04	1:50:59	8:56	28:04	9:03	+0:09
HALF	13.11 mi	13:21:19	1:57:14	8:57	6:15	9:11	+0:08
25K	15.53 mi	13:43:48	2:19:43	9:00	22:29	9:17	+0:06
30K	18.64 mi	14:13:51	2:49:46	9:07	30:03	9:41	+0:24
20M	20.00 mi	14:27:20	3:03:15	9:10	13:29	9:56	+0:15
21M	21.00 mi	14:38:14	3:14:09	9:15	10:54	10:54	+0:58
35K	21.75 mi	14:45:20	3:21:15	9:16	7:06	9:30	-1:24
23M	23.00 mi	14:57:43	3:33:38	9:18	12:23	9:54	+0:24
24M	24.00 mi	15:07:05	3:43:00	9:18	9:22	9:22	-0:32
40K	24.85 mi	15:15:06	3:51:01	9:18	8:01	9:23	+0:01
25.2M	25.20 mi	15:18:18	3:54:13	9:18	3:12	9:17	-0:06
FINISH	26.22 mi	15:26:54	4:02:49	9:17	8:36	8:27	-0:50

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:27 /mi

Average Pace

9:16 /mi

Slowest Pace

10:54 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:03:33

26% of race

Time at Steady Pace

1:52:27

46% of race

Time at Slower Pace

1:06:49

28% of race

Average Pace: 9:16 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	11:52:03	27:58	9:01	27:58	9:01	#22678
10K	6.21 mi	12:19:24	55:19	8:55	27:21	8:49	#22302
15K	9.32 mi	12:47:00	1:22:55	8:54	27:36	8:54	#22247
20K	12.43 mi	13:15:04	1:50:59	8:56	28:04	9:03	#22174
HALF	13.11 mi	13:21:19	1:57:14	8:57	6:15	9:11	#22225
25K	15.53 mi	13:43:48	2:19:43	9:00	22:29	9:17	#22232
30K	18.64 mi	14:13:51	2:49:46	9:07	30:03	9:41	#22227
20M	20.00 mi	14:27:20	3:03:15	9:10	13:29	9:56	#22257
21M	21.00 mi	14:38:14	3:14:09	9:15	10:54	10:54	#22319
35K	21.75 mi	14:45:20	3:21:15	9:16	7:06	9:30	#22293
23M	23.00 mi	14:57:43	3:33:38	9:18	12:23	9:54	#22258
24M	24.00 mi	15:07:05	3:43:00	9:18	9:22	9:22	#22190
40K	24.85 mi	15:15:06	3:51:01	9:18	8:01	9:23	#22124
25.2M	25.20 mi	15:18:18	3:54:13	9:18	3:12	9:17	#22051
FINISH	26.22 mi	15:26:54	4:02:49	9:17	8:36	8:27	#21941

Faster pace

Steady pace

Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Females	F45-49	Seg. Overall	Seg. Females	Seg. F45-49
5K	3.11 mi	3.11 mi	22678	9011	9011	22141(Top 76%)	8707(Top 69%)	8707(Top 488%)
10K	6.21 mi	3.10 mi	22302+376	8813+198	8813+198	21926(Top 76%)	8613(Top 68%)	8613(Top 482%)
15K	9.32 mi	3.11 mi	22247+55	8781+32	8781+32	22141(Top 76%)	8707(Top 69%)	8707(Top 488%)
20K	12.43 mi	3.11 mi	22174+73	8744+37	8744+37	22078(Top 76%)	8703(Top 69%)	8703(Top 487%)
HALF	13.11 mi	0.68 mi	22225-51	8769-25	8769-25	23374(Top 81%)	9349(Top 74%)	9349(Top 523%)
25K	15.53 mi	2.42 mi	22232-7	8780-11	8780-11	22303(Top 77%)	8831(Top 70%)	8831(Top 494%)
30K	18.64 mi	3.11 mi	22227+5	8802-22	8802-22	22189(Top 76%)	8859(Top 70%)	8859(Top 496%)
20M	20.00 mi	1.36 mi	22257-30	8831-29	8831-29	22379(Top 77%)	9044(Top 72%)	9044(Top 506%)
21M	21.00 mi	1.00 mi	22319-62	8875-44	8875-44	22892(Top 79%)	9361(Top 74%)	9361(Top 524%)
35K	21.75 mi	0.75 mi	22293+26	8876-1	8876-1	21751(Top 75%)	8824(Top 70%)	8824(Top 494%)
23M	23.00 mi	1.25 mi	22258+35	8872+4	8872+4	21844(Top 75%)	8922(Top 71%)	8922(Top 500%)
24M	24.00 mi	1.00 mi	22190+68	8854+18	8854+18	20884(Top 72%)	8486(Top 67%)	8486(Top 475%)
40K	24.85 mi	0.85 mi	22124+66	8836+18	8836+18	19957(Top 69%)	8059(Top 64%)	8059(Top 451%)
25.2M	25.20 mi	0.35 mi	22051+73	8802+34	8802+34	16353(Top 56%)	6189(Top 49%)	6189(Top 347%)
FINISH	26.22 mi	1.02 mi	21941+110	8751+51	8751+51	17876(Top 62%)	6994(Top 56%)	6994(Top 392%)

6994

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:

Athletes Passed

1835*

Passed By

1098

Net Change

+737

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#22678
5K → 10K	504*	128	+376	#22678	#22302
10K → 15K	195	140	+55	#22302	#22247
15K → 20K	191	118	+73	#22247	#22174
20K → HALF	16	67	-51	#22174	#22225
HALF → 25K	120	127	-7	#22225	#22232
25K → 30K	174	169	+5	#22232	#22227
30K → 20M	74	104	-30	#22227	#22257
20M → 21M	57	119	-62	#22257	#22319
21M → 35K	61	35	+26	#22319	#22293
35K → 23M	92	57	+35	#22293	#22258
23M → 24M	87	19	+68	#22258	#22190
24M → 40K	77	11	+66	#22190	#22124
40K → 25.2M	73	0	+73	#22124	#22051
25.2M → FINISH	114	4	+110	#22051	#21941
TOTALS	1835*	1098	+737

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:

Category:

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Activity Data

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Results processed 3 months ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

Alison Blackbourn

Race Timeline and Course Information

⏱️ Race Timeline

Race Animation with Course Map

Splits & Pacing

Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Rankings

Checkpoint and Segment Rankings

Segment Performance Analysis

10K→15K

5K→10K

10K→15K

15K→20K

20K→HALF

HALF→25K

25K→30K

30K→20M

20M→21M

21M→35K

35K→23M

23M→24M

24M→40K

40K→25.2M

25.2M→FINISH