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BOSTON MARATHON 2023

Timothy Alcott

Bib: 14954•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:49/mi
24:16
↑ 97↓ 3451.5%
10K· 6.21 mi
7:52/mi
48:43
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:13:45
↑ 67↓ 78
20K· 12.43 mi
8:18/mi
1:39:32
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:45:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:57/mi
2:07:04
↑ 66↓ 880.2%
30K· 18.64 mi
9:47/mi
2:37:28
↑ 181↓ 1480.2%
20M
9:58/mi
2:51:00
↑ 64↓ 500.2%
21M
11:01/mi
3:02:01
↑ 106↓ 241.6%
35K· 21.75 mi
10:00/mi
3:09:30
↑ 17↓ 861.7%
23M
10:29/mi
3:22:37
↑ 23↓ 630.6%
24M
10:36/mi
3:33:13
↓ 821.3%
40K· 24.85 mi
10:37/mi
3:42:18
↓ 200.3%
25.2M
10:21/mi
3:45:52
↑ 13↓ 160.2%
Finish· 26.22 mi
9:26/mi
3:55:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:23
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time2:10:06
Pace9:55 /mi
📊Positive Split: 23.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1124:167:4924:16
7:49
-
10K
6.21 mi11:17:3848:437:5024:27
7:52
+0:03
15K
9.32 mi11:42:401:13:457:5525:02
8:03
+0:11
20K
12.43 mi12:08:271:39:328:0125:47
8:18
+0:15
Half
13.11 mi12:14:181:45:238:025:51
8:34
+0:16
25K
15.53 mi12:35:592:07:048:1121:41
8:57
+0:23
30K
18.64 mi13:06:232:37:288:2730:24
9:47
+0:50
20M
20.00 mi13:19:552:51:008:3313:32
9:58
+0:11
21M
21.00 mi13:30:563:02:018:4011:01
11:01
+1:03
35K
21.75 mi13:38:253:09:308:437:29
10:00
-1:01
23M
23.00 mi13:51:323:22:378:4913:07
10:29
+0:29
24M
24.00 mi14:02:083:33:138:5310:36
10:36
+0:07
40K
24.85 mi14:11:133:42:188:579:05
10:37
+0:01
25.2M
25.20 mi14:14:473:45:528:583:34
10:21
-0:16
Finish
26.22 mi14:24:243:55:298:599:37
9:26
-0:55

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

7:49 /mi

Average Pace

8:59 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:04

54% of race

Time at Steady Pace

1:01:02

26% of race

Time at Slower Pace

47:23

20% of race

Average Pace: 8:59 /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 mi10:53:1124:167:4924:16
7:49
#12446
10K
6.21 mi11:17:3848:437:5024:27
7:52
#13087
15K
9.32 mi11:42:401:13:457:5525:02
8:03
#13677
20K
12.43 mi12:08:271:39:328:0125:47
8:18
#14174
Half
13.11 mi12:14:181:45:238:025:51
8:34
#14403
25K
15.53 mi12:35:592:07:048:1121:41
8:57
#15212
30K
18.64 mi13:06:232:37:288:2730:24
9:47
#16449
20M
20.00 mi13:19:552:51:008:3313:32
9:58
#16831
21M
21.00 mi13:30:563:02:018:4011:01
11:01
#17195
35K
21.75 mi13:38:253:09:308:437:29
10:00
#17430
23M
23.00 mi13:51:323:22:378:4913:07
10:29
#17840
24M
24.00 mi14:02:083:33:138:5310:36
10:36
#18163
40K
24.85 mi14:11:133:42:188:579:05
10:37
#18369
25.2M
25.20 mi14:14:473:45:528:583:34
10:21
#18374
Finish
26.22 mi14:24:243:55:298:599:37
9:26
#18455
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi124469310931014862(Top 56%)10244(Top 68%)10244(Top 499%)
10K6.21 mi3.10 mi13087-6419576-2669576-26613719(Top 52%)9834(Top 65%)9834(Top 479%)
15K9.32 mi3.11 mi13677-5909793-2179793-21714862(Top 56%)10244(Top 68%)10244(Top 499%)
20K12.43 mi3.11 mi14174-4979969-1769969-17615597(Top 59%)10488(Top 69%)10488(Top 511%)
Half13.11 mi0.68 mi14403-22910069-10010069-10018144(Top 68%)11550(Top 76%)11550(Top 563%)
25K15.53 mi2.42 mi15212-80910345-27610345-27618672(Top 70%)11704(Top 77%)11704(Top 570%)
30K18.64 mi3.11 mi16449-123710770-42510770-42520400(Top 77%)12378(Top 82%)12378(Top 603%)
20M20.00 mi1.36 mi16831-38210934-16410934-16420354(Top 76%)12274(Top 81%)12274(Top 598%)
21M21.00 mi1.00 mi17195-36411064-13011064-13020853(Top 78%)12448(Top 82%)12448(Top 607%)
35K21.75 mi0.75 mi17430-23511148-8411148-8421250(Top 80%)12593(Top 83%)12593(Top 614%)
23M23.00 mi1.25 mi17840-41011297-14911297-14921248(Top 80%)12574(Top 83%)12574(Top 613%)
24M24.00 mi1.00 mi18163-32311419-12211419-12222225(Top 83%)12976(Top 86%)12976(Top 632%)
40K24.85 mi0.85 mi18369-20611500-8111500-8121499(Top 81%)12578(Top 83%)12578(Top 613%)
25.2M25.20 mi0.35 mi18374-511498+211498+218581(Top 70%)11290(Top 74%)11290(Top 550%)
Finish26.22 mi1.02 mi18455-8111527-2911527-2919885(Top 75%)11930(Top 79%)11930(Top 581%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14862

Males

10244

M50-54

10244

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13719

Males

9834

M50-54

9834

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14862

Males

10244

M50-54

10244

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15597

Males

10488

M50-54

10488

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18144

Males

11550

M50-54

11550

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18672

Males

11704

M50-54

11704

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

20400

Males

12378

M50-54

12378

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20354

Males

12274

M50-54

12274

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20853

Males

12448

M50-54

12448

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

21250

Males

12593

M50-54

12593

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

21248

Males

12574

M50-54

12574

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

22225

Males

12976

M50-54

12976

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21499

Males

12578

M50-54

12578

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18581

Males

11290

M50-54

11290

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

19885

Males

11930

M50-54

11930

Passing Analysis

Category:
Athletes Passed
415
Passed By
6424
Net Change
-6009
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12446
5K → 10K113754-641#12446#13087
10K → 15K54644-590#13087#13677
15K → 20K65562-497#13677#14174
20K → Half2231-229#14174#14403
Half → 25K27836-809#14403#15212
25K → 30K161253-1237#15212#16449
30K → 20M20402-382#16449#16831
20M → 21M19383-364#16831#17195
21M → 35K13248-235#17195#17430
35K → 23M23433-410#17430#17840
23M → 24M7330-323#17840#18163
24M → 40K12218-206#18163#18369
40K → 25.2M1823-5#18369#18374
25.2M → Finish26107-81#18374#18455
TOTALS4156424-6009
📊

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