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BOSTON MARATHON 2025

Gwen Dubois

Bib: 22961•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 32%
Masters (Masters Women)
#0 / 6759
Top 18%
Division (F45-49)
#0 / 1813
Top 20%
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
8:09/mi
25:20
↑ 97↓ 3451.5%
10K· 6.21 mi
8:10/mi
50:42
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:15:38
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:40:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:45:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:50/mi
2:04:51
↑ 66↓ 880.2%
30K· 18.64 mi
7:53/mi
2:29:19
↑ 181↓ 1480.2%
20M
7:58/mi
2:40:09
↑ 64↓ 500.2%
21M
8:29/mi
2:48:38
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
2:54:36
↑ 17↓ 861.7%
23M
8:09/mi
3:04:48
↑ 23↓ 630.6%
24M
7:59/mi
3:12:47
↓ 821.3%
40K· 24.85 mi
8:04/mi
3:19:41
↓ 200.3%
25.2M
8:45/mi
3:22:42
↑ 13↓ 160.2%
Finish· 26.22 mi
7:45/mi
3:30:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:45:51
Pace8:04 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:44:45
Pace7:59 /mi
📊Negative Split: 1.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1825:208:0925:20
8:09
-
10K
6.21 mi11:46:4050:428:1025:22
8:10
+0:01
15K
9.32 mi12:11:361:15:388:0724:56
8:02
-0:08
20K
12.43 mi12:36:271:40:298:0524:51
8:00
-0:02
Half
13.11 mi12:41:491:45:518:045:22
7:52
-0:08
25K
15.53 mi13:00:492:04:518:0219:00
7:50
-0:02
30K
18.64 mi13:25:172:29:198:0124:28
7:53
+0:03
20M
20.00 mi13:36:072:40:098:0010:50
7:58
+0:05
21M
21.00 mi13:44:362:48:388:028:29
8:29
+0:31
35K
21.75 mi13:50:342:54:368:025:58
7:59
-0:30
23M
23.00 mi14:00:463:04:488:0210:12
8:09
+0:10
24M
24.00 mi14:08:453:12:478:027:59
7:59
-0:10
40K
24.85 mi14:15:393:19:418:026:54
8:04
+0:05
25.2M
25.20 mi14:18:403:22:428:033:01
8:45
+0:41
Finish
26.22 mi14:26:343:30:368:027:54
7:45
-1:00

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

7:45 /mi

Average Pace

8:02 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:35

99% of race

Time at Steady Pace

3:01

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:02 /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 mi11:21:1825:208:0925:20
8:09
#17776
10K
6.21 mi11:46:4050:428:1025:22
8:10
#17686
15K
9.32 mi12:11:361:15:388:0724:56
8:02
#17190
20K
12.43 mi12:36:271:40:298:0524:51
8:00
#16571
Half
13.11 mi12:41:491:45:518:045:22
7:52
#16492
25K
15.53 mi13:00:492:04:518:0219:00
7:50
#15864
30K
18.64 mi13:25:172:29:198:0124:28
7:53
#14821
20M
20.00 mi13:36:072:40:098:0010:50
7:58
#14389
21M
21.00 mi13:44:362:48:388:028:29
8:29
#14094
35K
21.75 mi13:50:342:54:368:025:58
7:59
#14001
23M
23.00 mi14:00:463:04:488:0210:12
8:09
#13802
24M
24.00 mi14:08:453:12:478:027:59
7:59
#13664
40K
24.85 mi14:15:393:19:418:026:54
8:04
#13515
25.2M
25.20 mi14:18:403:22:428:033:01
8:45
#13444
Finish
26.22 mi14:26:343:30:368:027:54
7:45
#13371
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi177766197619716234(Top 57%)5268(Top 43%)5268(Top 291%)
10K6.21 mi3.10 mi17686+906140+576140+5717657(Top 62%)6089(Top 50%)6089(Top 336%)
15K9.32 mi3.11 mi17190+4965822+3185822+31816234(Top 57%)5268(Top 43%)5268(Top 291%)
20K12.43 mi3.11 mi16571+6195480+3425480+34214917(Top 53%)4598(Top 38%)4598(Top 254%)
Half13.11 mi0.68 mi16492+795433+475433+4714826(Top 52%)4504(Top 37%)4504(Top 248%)
25K15.53 mi2.42 mi15864+6285089+3445089+34412657(Top 45%)3481(Top 28%)3481(Top 192%)
30K18.64 mi3.11 mi14821+10434573+5164573+51610478(Top 37%)2536(Top 21%)2536(Top 140%)
20M20.00 mi1.36 mi14389+4324354+2194354+21910299(Top 36%)2600(Top 21%)2600(Top 143%)
21M21.00 mi1.00 mi14094+2954219+1354219+13510392(Top 37%)2822(Top 23%)2822(Top 156%)
35K21.75 mi0.75 mi14001+934187+324187+3212155(Top 43%)3729(Top 30%)3729(Top 206%)
23M23.00 mi1.25 mi13802+1994116+714116+7111063(Top 39%)3265(Top 27%)3265(Top 180%)
24M24.00 mi1.00 mi13664+1384070+464070+4611166(Top 39%)3398(Top 28%)3398(Top 187%)
40K24.85 mi0.85 mi13515+1494007+634007+6310710(Top 38%)3279(Top 27%)3279(Top 181%)
25.2M25.20 mi0.35 mi13444+713983+243983+2410400(Top 37%)3236(Top 26%)3236(Top 178%)
Finish26.22 mi1.02 mi13371+733970+133970+1311135(Top 39%)3533(Top 29%)3533(Top 195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16234

Females

5268

F45-49

5268

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

17657

Females

6089

F45-49

6089

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16234

Females

5268

F45-49

5268

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

14917

Females

4598

F45-49

4598

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14826

Females

4504

F45-49

4504

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12657

Females

3481

F45-49

3481

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

10478

Females

2536

F45-49

2536

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10299

Females

2600

F45-49

2600

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

10392

Females

2822

F45-49

2822

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

12155

Females

3729

F45-49

3729

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11063

Females

3265

F45-49

3265

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

11166

Females

3398

F45-49

3398

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10710

Females

3279

F45-49

3279

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10400

Females

3236

F45-49

3236

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

11135

Females

3533

F45-49

3533

Passing Analysis

Category:
Athletes Passed
4831
Passed By
426
Net Change
+4405
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17776
5K → 10K330240+90#17776#17686
10K → 15K53337+496#17686#17190
15K → 20K6278+619#17190#16571
20K → Half8910+79#16571#16492
Half → 25K6291+628#16492#15864
25K → 30K10441+1043#15864#14821
30K → 20M4342+432#14821#14389
20M → 21M3049+295#14389#14094
21M → 35K11320+93#14094#14001
35K → 23M22425+199#14001#13802
23M → 24M16123+138#13802#13664
24M → 40K16011+149#13664#13515
40K → 25.2M809+71#13515#13444
25.2M → Finish10330+73#13444#13371
TOTALS4831426+4405
📊

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