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BOSTON MARATHON 2025

Gretchen Leslie

Bib: 25410•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
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
9:23/mi
29:10
↑ 97↓ 3451.5%
10K· 6.21 mi
9:26/mi
58:29
↑ 79↓ 1380.4%
15K· 9.32 mi
9:09/mi
1:26:56
↑ 67↓ 78
20K· 12.43 mi
9:19/mi
1:55:53
↑ 106↓ 860.1%
Half· 13.11 mi
9:23/mi
2:02:17
↑ 19↓ 370.5%
25K· 15.53 mi
9:50/mi
2:26:07
↑ 66↓ 880.2%
30K· 18.64 mi
10:37/mi
2:59:06
↑ 181↓ 1480.2%
20M
10:30/mi
3:13:22
↑ 64↓ 500.2%
21M
12:02/mi
3:25:24
↑ 106↓ 241.6%
35K· 21.75 mi
10:48/mi
3:33:29
↑ 17↓ 861.7%
23M
11:19/mi
3:47:39
↑ 23↓ 630.6%
24M
10:15/mi
3:57:54
↓ 821.3%
40K· 24.85 mi
10:34/mi
4:06:56
↓ 200.3%
25.2M
11:33/mi
4:10:55
↑ 13↓ 160.2%
Finish· 26.22 mi
9:23/mi
4:20:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:17
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:18:12
Pace10:33 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:1929:109:2329:10
9:23
-
10K
6.21 mi11:58:3858:299:2529:19
9:26
+0:03
15K
9.32 mi12:27:051:26:569:2028:27
9:09
-0:17
20K
12.43 mi12:56:021:55:539:1928:57
9:19
+0:10
Half
13.11 mi13:02:262:02:179:206:24
9:23
+0:04
25K
15.53 mi13:26:162:26:079:2423:50
9:50
+0:27
30K
18.64 mi13:59:152:59:069:3632:59
10:37
+0:47
20M
20.00 mi14:13:313:13:229:4014:16
10:30
-0:07
21M
21.00 mi14:25:333:25:249:4712:02
12:02
+1:32
35K
21.75 mi14:33:383:33:299:498:05
10:48
-1:14
23M
23.00 mi14:47:483:47:399:5414:10
11:19
+0:31
24M
24.00 mi14:58:033:57:549:5510:15
10:15
-1:04
40K
24.85 mi15:07:054:06:569:569:02
10:34
+0:19
25.2M
25.20 mi15:11:044:10:559:573:59
11:33
+0:59
Finish
26.22 mi15:20:384:20:299:579:34
9:23
-2:10

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

9:09 /mi

Average Pace

9:57 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:51

51% of race

Time at Steady Pace

1:30:22

35% of race

Time at Slower Pace

38:16

15% of race

Average Pace: 9:56 /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 mi11:29:1929:109:2329:10
9:23
#23881
10K
6.21 mi11:58:3858:299:2529:19
9:26
#23931
15K
9.32 mi12:27:051:26:569:2028:27
9:09
#23538
20K
12.43 mi12:56:021:55:539:1928:57
9:19
#23212
Half
13.11 mi13:02:262:02:179:206:24
9:23
#23207
25K
15.53 mi13:26:162:26:079:2423:50
9:50
#23141
30K
18.64 mi13:59:152:59:069:3632:59
10:37
#23108
20M
20.00 mi14:13:313:13:229:4014:16
10:30
#23060
21M
21.00 mi14:25:333:25:249:4712:02
12:02
#23099
35K
21.75 mi14:33:383:33:299:498:05
10:48
#23128
23M
23.00 mi14:47:483:47:399:5414:10
11:19
#23194
24M
24.00 mi14:58:033:57:549:5510:15
10:15
#23139
40K
24.85 mi15:07:054:06:569:569:02
10:34
#23092
25.2M
25.20 mi15:11:044:10:559:573:59
11:33
#23078
Finish
26.22 mi15:20:384:20:299:579:34
9:23
#23008
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi238819635963522714(Top 80%)8954(Top 73%)8954(Top 1435%)
10K6.21 mi3.10 mi23931-509649-149649-1423946(Top 84%)9651(Top 79%)9651(Top 1547%)
15K9.32 mi3.11 mi23538+3939433+2169433+21622714(Top 80%)8954(Top 73%)8954(Top 1435%)
20K12.43 mi3.11 mi23212+3269238+1959238+19522334(Top 79%)8774(Top 72%)8774(Top 1406%)
Half13.11 mi0.68 mi23207+59233+59233+523234(Top 82%)9279(Top 76%)9279(Top 1487%)
25K15.53 mi2.42 mi23141+669216+179216+1722850(Top 80%)9115(Top 75%)9115(Top 1461%)
30K18.64 mi3.11 mi23108+339248-329248-3223203(Top 82%)9439(Top 77%)9439(Top 1513%)
20M20.00 mi1.36 mi23060+489246+29246+222418(Top 79%)9121(Top 75%)9121(Top 1462%)
21M21.00 mi1.00 mi23099-399276-309276-3023661(Top 83%)9844(Top 81%)9844(Top 1578%)
35K21.75 mi0.75 mi23128-299301-259301-2523828(Top 84%)9959(Top 81%)9959(Top 1596%)
23M23.00 mi1.25 mi23194-669374-739374-7323915(Top 84%)10058(Top 82%)10058(Top 1612%)
24M24.00 mi1.00 mi23139+559366+89366+822101(Top 78%)9189(Top 75%)9189(Top 1473%)
40K24.85 mi0.85 mi23092+479356+109356+1022111(Top 78%)9261(Top 76%)9261(Top 1484%)
25.2M25.20 mi0.35 mi23078+149353+39353+322215(Top 78%)9265(Top 76%)9265(Top 1485%)
Finish26.22 mi1.02 mi23008+709324+299324+2920782(Top 73%)8551(Top 70%)8551(Top 1370%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

22714

Females

8954

F60-64

8954

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

23946

Females

9651

F60-64

9651

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

22714

Females

8954

F60-64

8954

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

22334

Females

8774

F60-64

8774

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

23234

Females

9279

F60-64

9279

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

22850

Females

9115

F60-64

9115

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23203

Females

9439

F60-64

9439

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

22418

Females

9121

F60-64

9121

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23661

Females

9844

F60-64

9844

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23828

Females

9959

F60-64

9959

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23915

Females

10058

F60-64

10058

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22101

Females

9189

F60-64

9189

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22111

Females

9261

F60-64

9261

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22215

Females

9265

F60-64

9265

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

20782

Females

8551

F60-64

8551

Passing Analysis

Category:
Athletes Passed
1839
Passed By
966
Net Change
+873
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23881
5K → 10K214264-50#23881#23931
10K → 15K41320+393#23931#23538
15K → 20K35327+326#23538#23212
20K → Half3328+5#23212#23207
Half → 25K15690+66#23207#23141
25K → 30K188155+33#23141#23108
30K → 20M9850+48#23108#23060
20M → 21M5291-39#23060#23099
21M → 35K3261-29#23099#23128
35K → 23M52118-66#23128#23194
23M → 24M7621+55#23194#23139
24M → 40K7124+47#23139#23092
40K → 25.2M217+14#23092#23078
25.2M → Finish8010+70#23078#23008
TOTALS1839966+873
📊

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