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BOSTON MARATHON 2025

Carolyn Gordon

Bib: 13877•F

WI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 34%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
8:01/mi
24:55
↑ 97↓ 3451.5%
10K· 6.21 mi
8:56/mi
52:40
↑ 79↓ 1380.4%
15K· 9.32 mi
7:34/mi
1:16:11
↑ 67↓ 78
20K· 12.43 mi
7:42/mi
1:40:05
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:45:12
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:04:54
↑ 66↓ 880.2%
30K· 18.64 mi
7:46/mi
2:29:01
↑ 181↓ 1480.2%
20M
7:56/mi
2:39:48
↑ 64↓ 500.2%
21M
8:41/mi
2:48:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
2:54:27
↑ 17↓ 861.7%
23M
9:10/mi
3:05:56
↑ 23↓ 630.6%
24M
8:05/mi
3:14:01
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:20:56
↓ 200.3%
25.2M
8:51/mi
3:23:59
↑ 13↓ 160.2%
Finish· 26.22 mi
7:52/mi
3:32:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:12
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:46:48
Pace8:09 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4624:558:0124:55
8:01
-
10K
6.21 mi11:21:3152:408:2927:45
8:56
+0:55
15K
9.32 mi11:45:021:16:118:1023:31
7:34
-1:22
20K
12.43 mi12:08:561:40:058:0323:54
7:42
+0:08
Half
13.11 mi12:14:031:45:128:015:07
7:30
-0:12
25K
15.53 mi12:33:452:04:548:0219:42
8:08
+0:38
30K
18.64 mi12:57:522:29:018:0024:07
7:46
-0:22
20M
20.00 mi13:08:392:39:487:5910:47
7:56
+0:10
21M
21.00 mi13:17:202:48:298:018:41
8:41
+0:45
35K
21.75 mi13:23:182:54:278:015:58
7:59
-0:42
23M
23.00 mi13:34:473:05:568:0511:29
9:10
+1:11
24M
24.00 mi13:42:523:14:018:058:05
8:05
-1:05
40K
24.85 mi13:49:473:20:568:056:55
8:05
0:00
25.2M
25.20 mi13:52:503:23:598:063:03
8:51
+0:46
Finish
26.22 mi14:00:513:32:008:058:01
7:52
-0:59

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

7:30 /mi

Average Pace

8:05 /mi

Slowest Pace

9:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:39

36% of race

Time at Steady Pace

1:24:23

40% of race

Time at Slower Pace

50:58

24% of race

Average Pace: 8:05 /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 mi10:53:4624:558:0124:55
8:01
#16742
10K
6.21 mi11:21:3152:408:2927:45
8:56
#19684
15K
9.32 mi11:45:021:16:118:1023:31
7:34
#17588
20K
12.43 mi12:08:561:40:058:0323:54
7:42
#16335
Half
13.11 mi12:14:031:45:128:015:07
7:30
#16135
25K
15.53 mi12:33:452:04:548:0219:42
8:08
#15888
30K
18.64 mi12:57:522:29:018:0024:07
7:46
#14679
20M
20.00 mi13:08:392:39:487:5910:47
7:56
#14235
21M
21.00 mi13:17:202:48:298:018:41
8:41
#14025
35K
21.75 mi13:23:182:54:278:015:58
7:59
#13938
23M
23.00 mi13:34:473:05:568:0511:29
9:10
#14209
24M
24.00 mi13:42:523:14:018:058:05
8:05
#14091
40K
24.85 mi13:49:473:20:568:056:55
8:05
#13914
25.2M
25.20 mi13:52:503:23:598:063:03
8:51
#13844
Finish
26.22 mi14:00:513:32:008:058:01
7:52
#13751
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi167425590559012347(Top 43%)3089(Top 25%)3089(Top 56%)
10K6.21 mi3.10 mi19684-29427291-17017291-170122087(Top 78%)8641(Top 71%)8641(Top 158%)
15K9.32 mi3.11 mi17588+20966068+12236068+122312347(Top 43%)3089(Top 25%)3089(Top 56%)
20K12.43 mi3.11 mi16335+12535341+7275341+72712366(Top 44%)3208(Top 26%)3208(Top 59%)
Half13.11 mi0.68 mi16135+2005238+1035238+10311809(Top 42%)2848(Top 23%)2848(Top 52%)
25K15.53 mi2.42 mi15888+2475099+1395099+13914803(Top 52%)4642(Top 38%)4642(Top 85%)
30K18.64 mi3.11 mi14679+12094491+6084491+6089655(Top 34%)2129(Top 17%)2129(Top 39%)
20M20.00 mi1.36 mi14235+4444267+2244267+22410048(Top 35%)2464(Top 20%)2464(Top 45%)
21M21.00 mi1.00 mi14025+2104181+864181+8611612(Top 41%)3410(Top 28%)3410(Top 62%)
35K21.75 mi0.75 mi13938+874152+294152+2912166(Top 43%)3740(Top 31%)3740(Top 68%)
23M23.00 mi1.25 mi14209-2714340-1884340-18817199(Top 61%)6552(Top 54%)6552(Top 120%)
24M24.00 mi1.00 mi14091+1184308+324308+3211828(Top 42%)3723(Top 30%)3723(Top 68%)
40K24.85 mi0.85 mi13914+1774248+604248+6010831(Top 38%)3340(Top 27%)3340(Top 61%)
25.2M25.20 mi0.35 mi13844+704221+274221+2711015(Top 39%)3509(Top 29%)3509(Top 64%)
Finish26.22 mi1.02 mi13751+934186+354186+3511971(Top 42%)3919(Top 32%)3919(Top 72%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

12347

Females

3089

F18-39

3089

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

22087

Females

8641

F18-39

8641

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

12347

Females

3089

F18-39

3089

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

12366

Females

3208

F18-39

3208

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11809

Females

2848

F18-39

2848

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

14803

Females

4642

F18-39

4642

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9655

Females

2129

F18-39

2129

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

10048

Females

2464

F18-39

2464

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11612

Females

3410

F18-39

3410

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

12166

Females

3740

F18-39

3740

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17199

Females

6552

F18-39

6552

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11828

Females

3723

F18-39

3723

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10831

Females

3340

F18-39

3340

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11015

Females

3509

F18-39

3509

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11971

Females

3919

F18-39

3919

Passing Analysis

Category:
Athletes Passed
6432
Passed By
3441
Net Change
+2991
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16742
5K → 10K62948-2942#16742#19684
10K → 15K20960+2096#19684#17588
15K → 20K12530+1253#17588#16335
20K → Half2000+200#16335#16135
Half → 25K29851+247#16135#15888
25K → 30K12090+1209#15888#14679
30K → 20M4451+444#14679#14235
20M → 21M23525+210#14235#14025
21M → 35K11427+87#14025#13938
35K → 23M51322-271#13938#14209
23M → 24M14729+118#14209#14091
24M → 40K1836+177#14091#13914
40K → 25.2M744+70#13914#13844
25.2M → Finish12128+93#13844#13751
TOTALS64323441+2991
📊

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