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BOSTON MARATHON 2025

Leslie Ganson

Bib: 26922•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:58
Rank: #22408
Start → 5K
27:58 | 9:00/mi
10K· 6.21 mi
55:09
Rank: #21848 (+560)
5K → 10K
27:11 | 8:45/mi
15K· 9.32 mi
1:22:28
Rank: #21524 (+324)
10K → 15K
27:19 | 8:48/mi
20K· 12.43 mi
1:49:56
Rank: #21158 (+366)
15K → 20K
27:28 | 8:50/mi
Half· 13.11 mi
1:55:50
Rank: #21117 (+41)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:17:38
Rank: #20906 (+211)
Half → 25K
21:48 | 8:59/mi
30K· 18.64 mi
2:47:07
Rank: #20707 (+199)
25K → 30K
29:29 | 9:29/mi
20M
2:59:15
Rank: #20381 (+326)
30K → 20M
12:08 | 8:56/mi
21M
3:08:31
Rank: #20068 (+313)
20M → 21M
9:16 | 9:16/mi
35K· 21.75 mi
3:14:55
Rank: #19937 (+131)
21M → 35K
6:24 | 8:33/mi
23M
3:26:15
Rank: #19739 (+198)
35K → 23M
11:20 | 9:03/mi
24M
3:35:01
Rank: #19594 (+145)
23M → 24M
8:46 | 8:46/mi
40K· 24.85 mi
3:42:44
Rank: #19475 (+119)
24M → 40K
7:43 | 9:02/mi
25.2M
3:46:11
Rank: #19433 (+42)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:54:51
Rank: #19303 (+130)
25.2M → Finish
8:40 | 8:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:50
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time1:59:01
Pace9:05 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2927:589:0027:58
9:00
-
10K
6.21 mi12:15:4055:098:5327:11
8:45
-0:15
15K
9.32 mi12:42:591:22:288:5127:19
8:48
+0:03
20K
12.43 mi13:10:271:49:568:5127:28
8:50
+0:02
Half
13.11 mi13:16:211:55:508:505:54
8:39
-0:11
25K
15.53 mi13:38:092:17:388:5221:48
8:59
+0:20
30K
18.64 mi14:07:382:47:078:5829:29
9:29
+0:30
20M
20.00 mi14:19:462:59:158:5812:08
8:56
-0:33
21M
21.00 mi14:29:023:08:318:599:16
9:16
+0:20
35K
21.75 mi14:35:263:14:558:586:24
8:33
-0:43
23M
23.00 mi14:46:463:26:158:5811:20
9:03
+0:30
24M
24.00 mi14:55:323:35:018:588:46
8:46
-0:17
40K
24.85 mi15:03:153:42:448:587:43
9:02
+0:16
25.2M
25.20 mi15:06:423:46:118:593:27
10:00
+0:58
Finish
26.22 mi15:15:223:54:518:588:40
8:30
-1:30

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

8:30 /mi

Average Pace

8:58 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:55

86% of race

Time at Steady Pace

32:56

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:57 /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 mi11:48:2927:589:0027:58
9:00
#22408
10K
6.21 mi12:15:4055:098:5327:11
8:45
#21848
15K
9.32 mi12:42:591:22:288:5127:19
8:48
#21524
20K
12.43 mi13:10:271:49:568:5127:28
8:50
#21158
Half
13.11 mi13:16:211:55:508:505:54
8:39
#21117
25K
15.53 mi13:38:092:17:388:5221:48
8:59
#20906
30K
18.64 mi14:07:382:47:078:5829:29
9:29
#20707
20M
20.00 mi14:19:462:59:158:5812:08
8:56
#20381
21M
21.00 mi14:29:023:08:318:599:16
9:16
#20068
35K
21.75 mi14:35:263:14:558:586:24
8:33
#19937
23M
23.00 mi14:46:463:26:158:5811:20
9:03
#19739
24M
24.00 mi14:55:323:35:018:588:46
8:46
#19594
40K
24.85 mi15:03:153:42:448:587:43
9:02
#19475
25.2M
25.20 mi15:06:423:46:118:593:27
10:00
#19433
Finish
26.22 mi15:15:223:54:518:588:40
8:30
#19303
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi224088858885820993(Top 74%)7997(Top 65%)7997(Top 146%)
10K6.21 mi3.10 mi21848+5608520+3388520+33821160(Top 74%)8115(Top 66%)8115(Top 148%)
15K9.32 mi3.11 mi21524+3248317+2038317+20320993(Top 74%)7997(Top 65%)7997(Top 146%)
20K12.43 mi3.11 mi21158+3668117+2008117+20020163(Top 71%)7571(Top 62%)7571(Top 138%)
Half13.11 mi0.68 mi21117+418089+288089+2820083(Top 71%)7523(Top 62%)7523(Top 138%)
25K15.53 mi2.42 mi20906+2117988+1017988+10119857(Top 70%)7453(Top 61%)7453(Top 136%)
30K18.64 mi3.11 mi20707+1997931+577931+5719898(Top 70%)7605(Top 62%)7605(Top 139%)
20M20.00 mi1.36 mi20381+3267766+1657766+16516441(Top 58%)5854(Top 48%)5854(Top 107%)
21M21.00 mi1.00 mi20068+3137614+1527614+15215013(Top 53%)5196(Top 42%)5196(Top 95%)
35K21.75 mi0.75 mi19937+1317553+617553+6115865(Top 56%)5722(Top 47%)5722(Top 105%)
23M23.00 mi1.25 mi19739+1987477+767477+7616584(Top 58%)6225(Top 51%)6225(Top 114%)
24M24.00 mi1.00 mi19594+1457421+567421+5616174(Top 57%)6043(Top 49%)6043(Top 110%)
40K24.85 mi0.85 mi19475+1197366+557366+5516498(Top 58%)6321(Top 52%)6321(Top 116%)
25.2M25.20 mi0.35 mi19433+427348+187348+1817139(Top 60%)6677(Top 55%)6677(Top 122%)
Finish26.22 mi1.02 mi19303+1307297+517297+5116288(Top 57%)6192(Top 51%)6192(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

20993

Females

7997

F18-39

7997

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

21160

Females

8115

F18-39

8115

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

20993

Females

7997

F18-39

7997

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

20163

Females

7571

F18-39

7571

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20083

Females

7523

F18-39

7523

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

19857

Females

7453

F18-39

7453

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19898

Females

7605

F18-39

7605

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

16441

Females

5854

F18-39

5854

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

15013

Females

5196

F18-39

5196

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

15865

Females

5722

F18-39

5722

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16584

Females

6225

F18-39

6225

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16174

Females

6043

F18-39

6043

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16498

Females

6321

F18-39

6321

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17139

Females

6677

F18-39

6677

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16288

Females

6192

F18-39

6192

Passing Analysis

Category:
Athletes Passed
3516
Passed By
411
Net Change
+3105
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22408
5K → 10K63979+560#22408#21848
10K → 15K39672+324#21848#21524
15K → 20K40842+366#21524#21158
20K → Half5817+41#21158#21117
Half → 25K24938+211#21117#20906
25K → 30K313114+199#20906#20707
30K → 20M3271+326#20707#20381
20M → 21M3163+313#20381#20068
21M → 35K1354+131#20068#19937
35K → 23M2079+198#19937#19739
23M → 24M1549+145#19739#19594
24M → 40K1256+119#19594#19475
40K → 25.2M5311+42#19475#19433
25.2M → Finish1366+130#19433#19303
TOTALS3516411+3105
📊

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