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BOSTON MARATHON 2025

Kelly Walsh

FL

Bib: 12815 F

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

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:00/mi
24:51
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:14/mi
50:26
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:23/mi
1:16:28
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:34/mi
1:43:04
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:21/mi
1:48:46
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:45/mi
2:10:00
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:29/mi
2:42:35
↑ 181↓ 1480.2%
138 ft elev
20M
16:11/mi
3:04:34
↑ 64↓ 500.2%
148 ft elev
21M
19:19/mi
3:23:53
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
17:00/mi
3:36:36
↑ 17↓ 861.7%
156 ft elev
23M
17:02/mi
3:57:55
↑ 23↓ 630.6%
116 ft elev
24M
16:35/mi
4:14:30
↓ 821.3%
34 ft elev
40K· 24.85 mi
16:15/mi
4:28:24
↓ 200.3%
20 ft elev
25.2M
16:55/mi
4:34:14
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
12:04/mi
4:46:32
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:46
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time2:57:46
Pace13:34 /mi
📊Positive Split: 63.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1124:518:0024:51
8:00
-
10K
6.21 mi11:18:4650:268:0725:35
8:14
+0:14
15K
9.32 mi11:44:481:16:288:1226:02
8:23
+0:09
20K
12.43 mi12:11:241:43:048:1826:36
8:34
+0:11
Half
13.11 mi12:17:061:48:468:185:42
8:21
-0:13
25K
15.53 mi12:38:202:10:008:2221:14
8:45
+0:24
30K
18.64 mi13:10:552:42:358:4332:35
10:29
+1:44
20M
20.00 mi13:32:543:04:349:1421:59
16:11
+5:42
21M
21.00 mi13:52:133:23:539:4319:19
19:19
+3:08
35K
21.75 mi14:04:563:36:369:5812:43
17:00
-2:19
23M
23.00 mi14:26:153:57:5510:2121:19
17:02
+0:02
24M
24.00 mi14:42:504:14:3010:3616:35
16:35
-0:27
40K
24.85 mi14:56:444:28:2410:4813:54
16:15
-0:20
25.2M
25.20 mi15:02:344:34:1410:535:50
16:55
+0:40
Finish
26.22 mi15:14:524:46:3210:5612:18
12:04
-4:51

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

8:00 /mi

Average Pace

10:56 /mi

Slowest Pace

19:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:00

45% of race

Time at Steady Pace

44:53

16% of race

Time at Slower Pace

1:51:39

39% of race

Average Pace: 10:56 /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 mi10:53:1124:518:0024:51
8:00
#16556
10K
6.21 mi11:18:4650:268:0725:35
8:14
#17365
15K
9.32 mi11:44:481:16:288:1226:02
8:23
#17777
20K
12.43 mi12:11:241:43:048:1826:36
8:34
#17957
Half
13.11 mi12:17:061:48:468:185:42
8:21
#17960
25K
15.53 mi12:38:202:10:008:2221:14
8:45
#18048
30K
18.64 mi13:10:552:42:358:4332:35
10:29
#19443
20M
20.00 mi13:32:543:04:349:1421:59
16:11
#21582
21M
21.00 mi13:52:133:23:539:4319:19
19:19
#22886
35K
21.75 mi14:04:563:36:369:5812:43
17:00
#23540
23M
23.00 mi14:26:153:57:5510:2121:19
17:02
#24354
24M
24.00 mi14:42:504:14:3010:3616:35
16:35
#24822
40K
24.85 mi14:56:444:28:2410:4813:54
16:15
#25108
25.2M
25.20 mi15:02:344:34:1410:535:50
16:55
#25193
Finish
26.22 mi15:14:524:46:3210:5612:18
12:04
#25263
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi165565492549218557(Top 65%)6640(Top 54%)6640(Top 366%)
10K6.21 mi3.10 mi17365-8095951-4595951-45918120(Top 64%)6376(Top 52%)6376(Top 352%)
15K9.32 mi3.11 mi17777-4126197-2466197-24618557(Top 65%)6640(Top 54%)6640(Top 366%)
20K12.43 mi3.11 mi17957-1806316-1196316-11918603(Top 65%)6691(Top 55%)6691(Top 369%)
Half13.11 mi0.68 mi17960-36316631618215(Top 64%)6465(Top 53%)6465(Top 357%)
25K15.53 mi2.42 mi18048-886389-736389-7318688(Top 66%)6811(Top 56%)6811(Top 376%)
30K18.64 mi3.11 mi19443-13957207-8187207-81822915(Top 81%)9274(Top 76%)9274(Top 512%)
20M20.00 mi1.36 mi21582-21398408-12018408-120128199(Top 99%)12148(Top 99%)12148(Top 670%)
21M21.00 mi1.00 mi22886-13049168-7609168-76028353(Top 100%)12207(Top 100%)12207(Top 673%)
35K21.75 mi0.75 mi23540-6549533-3659533-36528312(Top 100%)12195(Top 100%)12195(Top 673%)
23M23.00 mi1.25 mi24354-8149976-4439976-44328278(Top 100%)12189(Top 100%)12189(Top 672%)
24M24.00 mi1.00 mi24822-46810247-27110247-27128281(Top 100%)12192(Top 100%)12192(Top 672%)
40K24.85 mi0.85 mi25108-28610404-15710404-15728147(Top 99%)12149(Top 99%)12149(Top 670%)
25.2M25.20 mi0.35 mi25193-8510457-5310457-5328031(Top 99%)12121(Top 99%)12121(Top 669%)
Finish26.22 mi1.02 mi25263-7010503-4610503-4626866(Top 95%)11566(Top 95%)11566(Top 638%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18557

Females

6640

F45-49

6640

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18120

Females

6376

F45-49

6376

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18557

Females

6640

F45-49

6640

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18603

Females

6691

F45-49

6691

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18215

Females

6465

F45-49

6465

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

18688

Females

6811

F45-49

6811

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

22915

Females

9274

F45-49

9274

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

28199

Females

12148

F45-49

12148

20M→21M

20.0 - 21.0 mi

Top 100%
×8story building
+106ft-24ft

Overall

28353

Females

12207

F45-49

12207

21M→35K

21.0 - 21.8 mi

Top 100%
×7story building
+17ft-86ft

Overall

28312

Females

12195

F45-49

12195

35K→23M

21.8 - 23.0 mi

Top 100%
×5story building
+23ft-63ft

Overall

28278

Females

12189

F45-49

12189

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

28281

Females

12192

F45-49

12192

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28147

Females

12149

F45-49

12149

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28031

Females

12121

F45-49

12121

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

26866

Females

11566

F45-49

11566

Passing Analysis

Category:
Athletes Passed
526
Passed By
9233
Net Change
-8707
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16556
5K → 10K75884-809#16556#17365
10K → 15K87499-412#17365#17777
15K → 20K124304-180#17777#17957
20K → Half3538-3#17957#17960
Half → 25K141229-88#17960#18048
25K → 30K331428-1395#18048#19443
30K → 20M42143-2139#19443#21582
20M → 21M21306-1304#21582#22886
21M → 35K3657-654#22886#23540
35K → 23M5819-814#23540#24354
23M → 24M1469-468#24354#24822
24M → 40K3289-286#24822#25108
40K → 25.2M186-85#25108#25193
25.2M → Finish1282-70#25193#25263
TOTALS5269233-8707
📊

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