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BOSTON MARATHON 2025

Sara Proctor

Bib: 28121•F

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:12
Rank: #21285
Start → 5K
27:12 | 8:45/mi
10K· 6.21 mi
54:00
Rank: #20871 (+414)
5K → 10K
26:48 | 8:38/mi
15K· 9.32 mi
1:21:30
Rank: #20975 (-104)
10K → 15K
27:30 | 8:51/mi
20K· 12.43 mi
1:49:06
Rank: #20813 (+162)
15K → 20K
27:36 | 8:53/mi
Half· 13.11 mi
1:55:23
Rank: #20935 (-122)
20K → Half
6:17 | 9:13/mi
25K· 15.53 mi
2:18:12
Rank: #21083 (-148)
Half → 25K
22:49 | 9:25/mi
30K· 18.64 mi
2:50:14
Rank: #21461 (-378)
25K → 30K
32:02 | 10:19/mi
20M
3:04:53
Rank: #21659 (-198)
30K → 20M
14:39 | 10:47/mi
21M
3:16:52
Rank: #21822 (-163)
20M → 21M
11:59 | 11:59/mi
35K· 21.75 mi
3:24:42
Rank: #21875 (-53)
21M → 35K
7:50 | 10:28/mi
23M
3:38:33
Rank: #21961 (-86)
35K → 23M
13:51 | 11:04/mi
24M
3:49:56
Rank: #22123 (-162)
23M → 24M
11:23 | 11:23/mi
40K· 24.85 mi
4:00:03
Rank: #22265 (-142)
24M → 40K
10:07 | 11:50/mi
25.2M
4:04:39
Rank: #22320 (-55)
40K → 25.2M
4:36 | 13:20/mi
Finish· 26.22 mi
4:15:11
Rank: #22371 (-51)
25.2M → Finish
10:32 | 10:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:23
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:19:48
Pace10:40 /mi
📊Positive Split: 21.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:5827:128:4527:12
8:45
-
10K
6.21 mi12:13:4654:008:4126:48
8:38
-0:07
15K
9.32 mi12:41:161:21:308:4527:30
8:51
+0:13
20K
12.43 mi13:08:521:49:068:4727:36
8:53
+0:02
Half
13.11 mi13:15:091:55:238:486:17
9:13
+0:20
25K
15.53 mi13:37:582:18:128:5422:49
9:25
+0:12
30K
18.64 mi14:10:002:50:149:0832:02
10:19
+0:54
20M
20.00 mi14:24:393:04:539:1514:39
10:47
+0:28
21M
21.00 mi14:36:383:16:529:2211:59
11:59
+1:12
35K
21.75 mi14:44:283:24:429:257:50
10:28
-1:31
23M
23.00 mi14:58:193:38:339:3013:51
11:04
+0:36
24M
24.00 mi15:09:423:49:569:3511:23
11:23
+0:19
40K
24.85 mi15:19:494:00:039:3910:07
11:50
+0:27
25.2M
25.20 mi15:24:254:04:399:434:36
13:20
+1:30
Finish
26.22 mi15:34:574:15:119:4410:32
10:20
-3:00

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

8:38 /mi

Average Pace

9:44 /mi

Slowest Pace

13:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:12

54% of race

Time at Steady Pace

1:05:03

25% of race

Time at Slower Pace

51:56

20% of race

Average Pace: 9:44 /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 mi11:46:5827:128:4527:12
8:45
#21285
10K
6.21 mi12:13:4654:008:4126:48
8:38
#20871
15K
9.32 mi12:41:161:21:308:4527:30
8:51
#20975
20K
12.43 mi13:08:521:49:068:4727:36
8:53
#20813
Half
13.11 mi13:15:091:55:238:486:17
9:13
#20935
25K
15.53 mi13:37:582:18:128:5422:49
9:25
#21083
30K
18.64 mi14:10:002:50:149:0832:02
10:19
#21461
20M
20.00 mi14:24:393:04:539:1514:39
10:47
#21659
21M
21.00 mi14:36:383:16:529:2211:59
11:59
#21822
35K
21.75 mi14:44:283:24:429:257:50
10:28
#21875
23M
23.00 mi14:58:193:38:339:3013:51
11:04
#21961
24M
24.00 mi15:09:423:49:569:3511:23
11:23
#22123
40K
24.85 mi15:19:494:00:039:3910:07
11:50
#22265
25.2M
25.20 mi15:24:254:04:399:434:36
13:20
#22320
Finish
26.22 mi15:34:574:15:119:4410:32
10:20
#22371
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi212858238823821303(Top 75%)8167(Top 67%)8167(Top 149%)
10K6.21 mi3.10 mi20871+4147984+2547984+25420499(Top 72%)7746(Top 63%)7746(Top 142%)
15K9.32 mi3.11 mi20975-1048029-458029-4521303(Top 75%)8167(Top 67%)8167(Top 149%)
20K12.43 mi3.11 mi20813+1627933+967933+9620396(Top 72%)7711(Top 63%)7711(Top 141%)
Half13.11 mi0.68 mi20935-1227995-627995-6222664(Top 80%)8968(Top 73%)8968(Top 164%)
25K15.53 mi2.42 mi21083-1488088-938088-9321597(Top 76%)8424(Top 69%)8424(Top 154%)
30K18.64 mi3.11 mi21461-3788342-2548342-25422487(Top 79%)9038(Top 74%)9038(Top 165%)
20M20.00 mi1.36 mi21659-1988447-1058447-10523142(Top 81%)9489(Top 78%)9489(Top 174%)
21M21.00 mi1.00 mi21822-1638565-1188565-11823572(Top 83%)9796(Top 80%)9796(Top 179%)
35K21.75 mi0.75 mi21875-538606-418606-4123109(Top 81%)9605(Top 79%)9605(Top 176%)
23M23.00 mi1.25 mi21961-868693-878693-8723384(Top 82%)9796(Top 80%)9796(Top 179%)
24M24.00 mi1.00 mi22123-1628805-1128805-11224705(Top 87%)10491(Top 86%)10491(Top 192%)
40K24.85 mi0.85 mi22265-1428900-958900-9524681(Top 87%)10518(Top 86%)10518(Top 192%)
25.2M25.20 mi0.35 mi22320-558939-398939-3925488(Top 90%)10935(Top 89%)10935(Top 200%)
Finish26.22 mi1.02 mi22371-518982-438982-4323882(Top 84%)10110(Top 83%)10110(Top 185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21303

Females

8167

F18-39

8167

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

20499

Females

7746

F18-39

7746

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21303

Females

8167

F18-39

8167

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20396

Females

7711

F18-39

7711

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

22664

Females

8968

F18-39

8968

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

21597

Females

8424

F18-39

8424

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22487

Females

9038

F18-39

9038

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

23142

Females

9489

F18-39

9489

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

23572

Females

9796

F18-39

9796

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

23109

Females

9605

F18-39

9605

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

23384

Females

9796

F18-39

9796

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

24705

Females

10491

F18-39

10491

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24681

Females

10518

F18-39

10518

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25488

Females

10935

F18-39

10935

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

23882

Females

10110

F18-39

10110

Passing Analysis

Category:
Athletes Passed
1418
Passed By
2504
Net Change
-1086
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21285
5K → 10K548134+414#21285#20871
10K → 15K155259-104#20871#20975
15K → 20K263101+162#20975#20813
20K → Half5127-122#20813#20935
Half → 25K100248-148#20935#21083
25K → 30K112490-378#21083#21461
30K → 20M44242-198#21461#21659
20M → 21M38201-163#21659#21822
21M → 35K2982-53#21822#21875
35K → 23M60146-86#21875#21961
23M → 24M14176-162#21961#22123
24M → 40K19161-142#22123#22265
40K → 25.2M661-55#22265#22320
25.2M → Finish2576-51#22320#22371
TOTALS14182504-1086
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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