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BOSTON MARATHON 2025

Harriet Gilmer

Bib: 10838•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 27%
Gender (Female)
#0 / 12228
Top 10%
Masters (Masters Women)
#0 / 6759
Top 3%
Division (F40-44)
#0 / 1718
Top 7%
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
7:23/mi
22:56
↑ 97↓ 3451.5%
10K· 6.21 mi
7:16/mi
45:31
↑ 79↓ 1380.4%
15K· 9.32 mi
7:20/mi
1:08:19
↑ 67↓ 78
20K· 12.43 mi
7:17/mi
1:30:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:35:49
↑ 19↓ 370.5%
25K· 15.53 mi
7:16/mi
1:53:27
↑ 66↓ 880.2%
30K· 18.64 mi
7:21/mi
2:16:17
↑ 181↓ 1480.2%
20M
7:24/mi
2:26:20
↑ 64↓ 500.2%
21M
7:38/mi
2:33:58
↑ 106↓ 241.6%
35K· 21.75 mi
7:14/mi
2:39:23
↑ 17↓ 861.7%
23M
7:30/mi
2:48:47
↑ 23↓ 630.6%
24M
7:14/mi
2:56:01
↓ 821.3%
40K· 24.85 mi
7:26/mi
3:02:22
↓ 200.3%
25.2M
8:54/mi
3:05:26
↑ 13↓ 160.2%
Finish· 26.22 mi
7:08/mi
3:12:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:49
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:36:53
Pace7:23 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0322:567:2322:56
7:23
-
10K
6.21 mi11:12:3845:317:2022:35
7:16
-0:07
15K
9.32 mi11:35:261:08:197:2022:48
7:20
+0:04
20K
12.43 mi11:58:051:30:587:1922:39
7:17
-0:03
Half
13.11 mi12:02:561:35:497:194:51
7:07
-0:10
25K
15.53 mi12:20:341:53:277:1817:38
7:16
+0:09
30K
18.64 mi12:43:242:16:177:1922:50
7:21
+0:05
20M
20.00 mi12:53:272:26:207:1910:03
7:24
+0:03
21M
21.00 mi13:01:052:33:587:207:38
7:38
+0:14
35K
21.75 mi13:06:302:39:237:205:25
7:14
-0:24
23M
23.00 mi13:15:542:48:477:209:24
7:30
+0:16
24M
24.00 mi13:23:082:56:017:207:14
7:14
-0:16
40K
24.85 mi13:29:293:02:227:206:21
7:26
+0:12
25.2M
25.20 mi13:32:333:05:267:223:04
8:54
+1:28
Finish
26.22 mi13:39:493:12:427:217:16
7:08
-1:46

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

7:07 /mi

Average Pace

7:21 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:51

3% of race

Time at Steady Pace

2:57:09

92% of race

Time at Slower Pace

10:42

6% of race

Average Pace: 7:21 /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 mi10:50:0322:567:2322:56
7:23
#11144
10K
6.21 mi11:12:3845:317:2022:35
7:16
#10553
15K
9.32 mi11:35:261:08:197:2022:48
7:20
#10477
20K
12.43 mi11:58:051:30:587:1922:39
7:17
#10042
Half
13.11 mi12:02:561:35:497:194:51
7:07
#9955
25K
15.53 mi12:20:341:53:277:1817:38
7:16
#9606
30K
18.64 mi12:43:242:16:177:1922:50
7:21
#8939
20M
20.00 mi12:53:272:26:207:1910:03
7:24
#8671
21M
21.00 mi13:01:052:33:587:207:38
7:38
#8392
35K
21.75 mi13:06:302:39:237:205:25
7:14
#8292
23M
23.00 mi13:15:542:48:477:209:24
7:30
#8132
24M
24.00 mi13:23:082:56:017:207:14
7:14
#7980
40K
24.85 mi13:29:293:02:227:206:21
7:26
#7874
25.2M
25.20 mi13:32:333:05:267:223:04
8:54
#7915
Finish
26.22 mi13:39:493:12:427:217:16
7:08
#7803
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi111442346234610318(Top 36%)2029(Top 17%)2029(Top 118%)
10K6.21 mi3.10 mi10553+5912076+2702076+27010100(Top 36%)1868(Top 15%)1868(Top 109%)
15K9.32 mi3.11 mi10477+762059+172059+1710318(Top 36%)2029(Top 17%)2029(Top 118%)
20K12.43 mi3.11 mi10042+4351887+1721887+1728987(Top 32%)1514(Top 12%)1514(Top 88%)
Half13.11 mi0.68 mi9955+871845+421845+428412(Top 30%)1250(Top 10%)1250(Top 73%)
25K15.53 mi2.42 mi9606+3491727+1181727+1188163(Top 29%)1279(Top 10%)1279(Top 74%)
30K18.64 mi3.11 mi8939+6671489+2381489+2386764(Top 24%)922(Top 8%)922(Top 54%)
20M20.00 mi1.36 mi8671+2681410+791410+796384(Top 22%)924(Top 8%)924(Top 54%)
21M21.00 mi1.00 mi8392+2791326+841326+845332(Top 19%)707(Top 6%)707(Top 41%)
35K21.75 mi0.75 mi8292+1001305+211305+216893(Top 24%)1244(Top 10%)1244(Top 72%)
23M23.00 mi1.25 mi8132+1601292+131292+136684(Top 24%)1259(Top 10%)1259(Top 73%)
24M24.00 mi1.00 mi7980+1521272+201272+206051(Top 21%)1086(Top 9%)1086(Top 63%)
40K24.85 mi0.85 mi7874+1061259+131259+136396(Top 23%)1295(Top 11%)1295(Top 75%)
25.2M25.20 mi0.35 mi7915-411288-291288-2911195(Top 39%)3569(Top 29%)3569(Top 208%)
Finish26.22 mi1.02 mi7803+1121279+91279+96604(Top 23%)1490(Top 12%)1490(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

10318

Females

2029

F40-44

2029

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10100

Females

1868

F40-44

1868

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

10318

Females

2029

F40-44

2029

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8987

Females

1514

F40-44

1514

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8412

Females

1250

F40-44

1250

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8163

Females

1279

F40-44

1279

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6764

Females

922

F40-44

922

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

6384

Females

924

F40-44

924

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

5332

Females

707

F40-44

707

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6893

Females

1244

F40-44

1244

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6684

Females

1259

F40-44

1259

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

6051

Females

1086

F40-44

1086

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6396

Females

1295

F40-44

1295

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11195

Females

3569

F40-44

3569

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6604

Females

1490

F40-44

1490

Passing Analysis

Category:
Athletes Passed
3740*
Passed By
398
Net Change
+3341
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11144
5K → 10K65867+591#11144#10553
10K → 15K198122+76#10553#10477
15K → 20K45418+435#10477#10042
20K → Half90*3+87#10042#9955
Half → 25K36314+349#9955#9606
25K → 30K6714+667#9606#8939
30K → 20M2735+268#8939#8671
20M → 21M2845+279#8671#8392
21M → 35K11212+100#8392#8292
35K → 23M19232+160#8292#8132
23M → 24M1608+152#8132#7980
24M → 40K12317+106#7980#7874
40K → 25.2M2465-41#7874#7915
25.2M → Finish13826+112#7915#7803
TOTALS3740*398+3341

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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