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BOSTON MARATHON 2023

Rachel Bracken

ON

Bib: 19896 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 41%
Masters (Masters Women)
#0 / 6539
Top 28%
Division (F40-44)
#0 / 1878
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:51/mi
24:23
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:14/mi
49:58
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:18/mi
1:15:44
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:16/mi
1:41:26
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:59/mi
1:46:53
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:18/mi
2:07:00
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:36/mi
2:33:42
↑ 181↓ 1480.2%
138 ft elev
20M
8:28/mi
2:45:12
↑ 64↓ 500.2%
148 ft elev
21M
9:30/mi
2:54:42
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:00/mi
3:00:41
↑ 17↓ 861.7%
156 ft elev
23M
8:18/mi
3:11:05
↑ 23↓ 630.6%
116 ft elev
24M
8:25/mi
3:19:30
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:38/mi
3:26:53
↓ 200.3%
20 ft elev
25.2M
9:43/mi
3:30:14
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:16/mi
3:38:39
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:53
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:51:46
Pace8:32 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:5624:237:5124:23
7:51
-
10K
6.21 mi11:53:3149:588:0225:35
8:14
+0:23
15K
9.32 mi12:19:171:15:448:0825:46
8:18
+0:04
20K
12.43 mi12:44:591:41:268:1025:42
8:16
-0:02
Half
13.11 mi12:50:261:46:538:095:27
7:59
-0:17
25K
15.53 mi13:10:332:07:008:1120:07
8:18
+0:19
30K
18.64 mi13:37:152:33:428:1526:42
8:36
+0:18
20M
20.00 mi13:48:452:45:128:1611:30
8:28
-0:08
21M
21.00 mi13:58:152:54:428:199:30
9:30
+1:02
35K
21.75 mi14:04:143:00:418:185:59
8:00
-1:30
23M
23.00 mi14:14:383:11:058:1810:24
8:18
+0:18
24M
24.00 mi14:23:033:19:308:198:25
8:25
+0:07
40K
24.85 mi14:30:263:26:538:197:23
8:38
+0:13
25.2M
25.20 mi14:33:473:30:148:213:21
9:43
+1:05
Finish
26.22 mi14:42:123:38:398:218:25
8:16
-1:27

Checkpoints & Pacing

📈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

7:51 /mi

Average Pace

8:21 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:49

16% of race

Time at Steady Pace

2:15:54

62% of race

Time at Slower Pace

46:56

21% of race

Average Pace: 8:20 /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.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:27:5624:237:5124:23
7:51
#12846
10K
6.21 mi11:53:3149:588:0225:35
8:14
#14685
15K
9.32 mi12:19:171:15:448:0825:46
8:18
#15310
20K
12.43 mi12:44:591:41:268:1025:42
8:16
#15331
Half
13.11 mi12:50:261:46:538:095:27
7:59
#15275
25K
15.53 mi13:10:332:07:008:1120:07
8:18
#15168
30K
18.64 mi13:37:152:33:428:1526:42
8:36
#15101
20M
20.00 mi13:48:452:45:128:1611:30
8:28
#14966
21M
21.00 mi13:58:152:54:428:199:30
9:30
#15016
35K
21.75 mi14:04:143:00:418:185:59
8:00
#14908
23M
23.00 mi14:14:383:11:058:1810:24
8:18
#14725
24M
24.00 mi14:23:033:19:308:198:25
8:25
#14668
40K
24.85 mi14:30:263:26:538:197:23
8:38
#14625
25.2M
25.20 mi14:33:473:30:148:213:21
9:43
#14637
Finish
26.22 mi14:42:123:38:398:218:25
8:16
#14600
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi128463352335216502(Top 62%)5592(Top 49%)5592(Top 298%)
10K6.21 mi3.10 mi14685-18394456-11044456-110416490(Top 62%)5565(Top 49%)5565(Top 296%)
15K9.32 mi3.11 mi15310-6254859-4034859-40316502(Top 62%)5592(Top 49%)5592(Top 298%)
20K12.43 mi3.11 mi15331-214890-314890-3115436(Top 58%)4988(Top 44%)4988(Top 266%)
Half13.11 mi0.68 mi15275+564859+314859+3114361(Top 54%)4305(Top 38%)4305(Top 229%)
25K15.53 mi2.42 mi15168+1074816+434816+4314941(Top 56%)4793(Top 42%)4793(Top 255%)
30K18.64 mi3.11 mi15101+674821-54821-514891(Top 56%)4865(Top 43%)4865(Top 259%)
20M20.00 mi1.36 mi14966+1354748+734748+7313443(Top 50%)4103(Top 36%)4103(Top 218%)
21M21.00 mi1.00 mi15016-504807-594807-5915962(Top 60%)5606(Top 49%)5606(Top 299%)
35K21.75 mi0.75 mi14908+1084753+544753+5412188(Top 46%)3551(Top 31%)3551(Top 189%)
23M23.00 mi1.25 mi14725+1834670+834670+8311974(Top 45%)3512(Top 31%)3512(Top 187%)
24M24.00 mi1.00 mi14668+574660+104660+1014001(Top 53%)4675(Top 41%)4675(Top 249%)
40K24.85 mi0.85 mi14625+434657+34657+314185(Top 53%)4847(Top 42%)4847(Top 258%)
25.2M25.20 mi0.35 mi14637-124677-204677-2016197(Top 61%)5964(Top 52%)5964(Top 318%)
Finish26.22 mi1.02 mi14600+374661+164661+1613869(Top 52%)4672(Top 41%)4672(Top 249%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16502

Females

5592

F40-44

5592

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16490

Females

5565

F40-44

5565

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16502

Females

5592

F40-44

5592

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15436

Females

4988

F40-44

4988

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14361

Females

4305

F40-44

4305

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14941

Females

4793

F40-44

4793

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14891

Females

4865

F40-44

4865

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

13443

Females

4103

F40-44

4103

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

15962

Females

5606

F40-44

5606

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12188

Females

3551

F40-44

3551

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

11974

Females

3512

F40-44

3512

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14001

Females

4675

F40-44

4675

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14185

Females

4847

F40-44

4847

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16197

Females

5964

F40-44

5964

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

13869

Females

4672

F40-44

4672

Passing Analysis

Category:
Athletes Passed
1508
Passed By
3262
Net Change
-1754
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12846
5K → 10K141853-1839#12846#14685
10K → 15K43668-625#14685#15310
15K → 20K166187-21#15310#15331
20K → Half648+56#15331#15275
Half → 25K18881+107#15275#15168
25K → 30K215148+67#15168#15101
30K → 20M15520+135#15101#14966
20M → 21M72122-50#14966#15016
21M → 35K1146+108#15016#14908
35K → 23M19714+183#14908#14725
23M → 24M9740+57#14725#14668
24M → 40K8138+43#14668#14625
40K → 25.2M2436-12#14625#14637
25.2M → Finish7841+37#14637#14600
TOTALS15083262-1754
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing