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BOSTON MARATHON 2025

Julie Gagnon

Bib: 21967•F

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 48%
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:35
Rank: #18336
Start → 5K
25:35 | 8:14/mi
10K· 6.21 mi
51:36
Rank: #18647 (-311)
5K → 10K
26:01 | 8:22/mi
15K· 9.32 mi
1:17:42
Rank: #18627 (+20)
10K → 15K
26:06 | 8:24/mi
20K· 12.43 mi
1:43:53
Rank: #18385 (+242)
15K → 20K
26:11 | 8:26/mi
Half· 13.11 mi
1:49:34
Rank: #18354 (+31)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:11:02
Rank: #18506 (-152)
Half → 25K
21:28 | 8:51/mi
30K· 18.64 mi
2:40:24
Rank: #18790 (-284)
25K → 30K
29:22 | 9:27/mi
20M
2:53:02
Rank: #18728 (+62)
30K → 20M
12:38 | 9:18/mi
21M
3:02:55
Rank: #18678 (+50)
20M → 21M
9:53 | 9:53/mi
35K· 21.75 mi
3:09:49
Rank: #18698 (-20)
21M → 35K
6:54 | 9:13/mi
23M
3:21:39
Rank: #18682 (+16)
35K → 23M
11:50 | 9:27/mi
24M
3:30:49
Rank: #18666 (+16)
23M → 24M
9:10 | 9:10/mi
40K· 24.85 mi
3:38:45
Rank: #18626 (+40)
24M → 40K
7:56 | 9:17/mi
25.2M
3:42:09
Rank: #18578 (+48)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:51:27
Rank: #18632 (-54)
25.2M → Finish
9:18 | 9:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:34
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time2:01:53
Pace9:18 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5225:358:1425:35
8:14
-
10K
6.21 mi11:50:5351:368:1826:01
8:22
+0:08
15K
9.32 mi12:16:591:17:428:2026:06
8:24
+0:02
20K
12.43 mi12:43:101:43:538:2226:11
8:26
+0:02
Half
13.11 mi12:48:511:49:348:215:41
8:20
-0:06
25K
15.53 mi13:10:192:11:028:2621:28
8:51
+0:31
30K
18.64 mi13:39:412:40:248:3629:22
9:27
+0:36
20M
20.00 mi13:52:192:53:028:3912:38
9:18
-0:09
21M
21.00 mi14:02:123:02:558:439:53
9:53
+0:35
35K
21.75 mi14:09:063:09:498:446:54
9:13
-0:40
23M
23.00 mi14:20:563:21:398:4611:50
9:27
+0:14
24M
24.00 mi14:30:063:30:498:479:10
9:10
-0:17
40K
24.85 mi14:38:023:38:458:487:56
9:17
+0:07
25.2M
25.20 mi14:41:263:42:098:493:24
9:52
+0:35
Finish
26.22 mi14:50:443:51:278:509:18
9:08
-0:44

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

8:14 /mi

Average Pace

8:50 /mi

Slowest Pace

9:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:02

57% of race

Time at Steady Pace

45:56

20% of race

Time at Slower Pace

54:29

24% of race

Average Pace: 8:50 /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 mi11:24:5225:358:1425:35
8:14
#18336
10K
6.21 mi11:50:5351:368:1826:01
8:22
#18647
15K
9.32 mi12:16:591:17:428:2026:06
8:24
#18627
20K
12.43 mi12:43:101:43:538:2226:11
8:26
#18385
Half
13.11 mi12:48:511:49:348:215:41
8:20
#18354
25K
15.53 mi13:10:192:11:028:2621:28
8:51
#18506
30K
18.64 mi13:39:412:40:248:3629:22
9:27
#18790
20M
20.00 mi13:52:192:53:028:3912:38
9:18
#18728
21M
21.00 mi14:02:123:02:558:439:53
9:53
#18678
35K
21.75 mi14:09:063:09:498:446:54
9:13
#18698
23M
23.00 mi14:20:563:21:398:4611:50
9:27
#18682
24M
24.00 mi14:30:063:30:498:479:10
9:10
#18666
40K
24.85 mi14:38:023:38:458:487:56
9:17
#18626
25.2M
25.20 mi14:41:263:42:098:493:24
9:52
#18578
Finish
26.22 mi14:50:443:51:278:509:18
9:08
#18632
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi183366546654618727(Top 66%)6740(Top 55%)6740(Top 372%)
10K6.21 mi3.10 mi18647-3116708-1626708-16219046(Top 67%)6912(Top 57%)6912(Top 381%)
15K9.32 mi3.11 mi18627+206695+136695+1318727(Top 66%)6740(Top 55%)6740(Top 372%)
20K12.43 mi3.11 mi18385+2426562+1336562+13317732(Top 62%)6186(Top 51%)6186(Top 341%)
Half13.11 mi0.68 mi18354+316546+166546+1618201(Top 64%)6451(Top 53%)6451(Top 356%)
25K15.53 mi2.42 mi18506-1526645-996645-9919222(Top 68%)7094(Top 58%)7094(Top 391%)
30K18.64 mi3.11 mi18790-2846819-1746819-17419757(Top 70%)7527(Top 62%)7527(Top 415%)
20M20.00 mi1.36 mi18728+626819681918294(Top 64%)6885(Top 56%)6885(Top 380%)
21M21.00 mi1.00 mi18678+506822-36822-317856(Top 63%)6716(Top 55%)6716(Top 370%)
35K21.75 mi0.75 mi18698-206848-266848-2619282(Top 68%)7591(Top 62%)7591(Top 419%)
23M23.00 mi1.25 mi18682+166875-276875-2718487(Top 65%)7229(Top 59%)7229(Top 399%)
24M24.00 mi1.00 mi18666+166884-96884-918206(Top 64%)7145(Top 58%)7145(Top 394%)
40K24.85 mi0.85 mi18626+406893-96893-917773(Top 63%)7015(Top 57%)7015(Top 387%)
25.2M25.20 mi0.35 mi18578+486879+146879+1416457(Top 58%)6318(Top 52%)6318(Top 348%)
Finish26.22 mi1.02 mi18632-546920-416920-4119642(Top 69%)7939(Top 65%)7939(Top 438%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

18727

Females

6740

F45-49

6740

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

19046

Females

6912

F45-49

6912

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

18727

Females

6740

F45-49

6740

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

17732

Females

6186

F45-49

6186

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

18201

Females

6451

F45-49

6451

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

19222

Females

7094

F45-49

7094

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19757

Females

7527

F45-49

7527

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18294

Females

6885

F45-49

6885

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17856

Females

6716

F45-49

6716

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

19282

Females

7591

F45-49

7591

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

18487

Females

7229

F45-49

7229

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18206

Females

7145

F45-49

7145

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17773

Females

7015

F45-49

7015

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16457

Females

6318

F45-49

6318

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

19642

Females

7939

F45-49

7939

Passing Analysis

Category:
Athletes Passed
1684
Passed By
1980
Net Change
-296
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18336
5K → 10K148459-311#18336#18647
10K → 15K196176+20#18647#18627
15K → 20K31674+242#18627#18385
20K → Half5524+31#18385#18354
Half → 25K124276-152#18354#18506
25K → 30K160444-284#18506#18790
30K → 20M12765+62#18790#18728
20M → 21M12373+50#18728#18678
21M → 35K5373-20#18678#18698
35K → 23M118102+16#18698#18682
23M → 24M7458+16#18682#18666
24M → 40K9252+40#18666#18626
40K → 25.2M546+48#18626#18578
25.2M → Finish4498-54#18578#18632
TOTALS16841980-296
📊

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