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BOSTON MARATHON 2025

Kerry Lally

ON

Bib: 17076 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 15%
Masters (Masters Women)
#0 / 6759
Top 5%
Division (F45-49)
#0 / 1813
Top 6%
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
7:12/mi
22:22
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:14/mi
44:50
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:25/mi
1:07:54
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:30/mi
1:31:13
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:17/mi
1:36:11
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:27/mi
1:54:14
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:43/mi
2:18:13
↑ 181↓ 1480.2%
138 ft elev
20M
7:53/mi
2:28:56
↑ 64↓ 500.2%
148 ft elev
21M
8:18/mi
2:37:14
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:29/mi
2:42:50
↑ 17↓ 861.7%
156 ft elev
23M
7:46/mi
2:52:34
↑ 23↓ 630.6%
116 ft elev
24M
7:42/mi
3:00:16
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:40/mi
3:06:49
↓ 200.3%
20 ft elev
25.2M
7:53/mi
3:09:32
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:04/mi
3:16:44
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:36:117:20 /mi⚡ faster
2nd Half
1:40:337:40 /mi+4.5%
Positive split — 4.5% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:5122:227:1222:22
7:12
-
10K
6.21 mi11:35:1944:507:1322:28
7:14
+0:02
15K
9.32 mi11:58:231:07:547:1723:04
7:25
+0:11
20K
12.43 mi12:21:421:31:137:2023:19
7:30
+0:05
Half
13.11 mi12:26:401:36:117:204:58
7:17
-0:13
25K
15.53 mi12:44:431:54:147:2118:03
7:27
+0:10
30K
18.64 mi13:08:422:18:137:2523:59
7:43
+0:16
20M
20.00 mi13:19:252:28:567:2710:43
7:53
+0:10
21M
21.00 mi13:27:432:37:147:298:18
8:18
+0:25
35K
21.75 mi13:33:192:42:507:295:36
7:29
-0:49
23M
23.00 mi13:43:032:52:347:309:44
7:46
+0:17
24M
24.00 mi13:50:453:00:167:317:42
7:42
-0:04
40K
24.85 mi13:57:183:06:497:316:33
7:40
-0:02
25.2M
25.20 mi14:00:013:09:327:312:43
7:53
+0:13
Finish
26.22 mi14:07:133:16:447:317:12
7:04
-0:49

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

7:04 /mi

Average Pace

7:31 /mi

Slowest Pace

8:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:55:00

89% of race

Time at Steady Pace

21:44

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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 mi11:12:5122:227:1222:22
7:12
#9464
10K
6.21 mi11:35:1944:507:1322:28
7:14
#9593
15K
9.32 mi11:58:231:07:547:1723:04
7:25
#10089
20K
12.43 mi12:21:421:31:137:2023:19
7:30
#10228
Half
13.11 mi12:26:401:36:117:204:58
7:17
#10197
25K
15.53 mi12:44:431:54:147:2118:03
7:27
#10033
30K
18.64 mi13:08:422:18:137:2523:59
7:43
#9826
20M
20.00 mi13:19:252:28:567:2710:43
7:53
#9766
21M
21.00 mi13:27:432:37:147:298:18
8:18
#9707
35K
21.75 mi13:33:192:42:507:295:36
7:29
#9631
23M
23.00 mi13:43:032:52:347:309:44
7:46
#9521
24M
24.00 mi13:50:453:00:167:317:42
7:42
#9464
40K
24.85 mi13:57:183:06:497:316:33
7:40
#9386
25.2M
25.20 mi14:00:013:09:327:312:43
7:53
#9276
Finish
26.22 mi14:07:133:16:447:317:12
7:04
#9102
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi9464157415741110624202420
10K6.21 mi3.10 mi9593-1291611-371611-37976817221722
15K9.32 mi3.11 mi10089-4961879-2681879-2681110624202420
20K12.43 mi3.11 mi10228-1391976-971976-971081623732373
Half13.11 mi0.68 mi10197+311967+91967+9988719031903
25K15.53 mi2.42 mi10033+1641923+441923+44951418811881
30K18.64 mi3.11 mi9826+2071879+441879+44933119721972
20M20.00 mi1.36 mi9766+601887-81887-8963422682268
21M21.00 mi1.00 mi9707+591884+31884+3923422582258
35K21.75 mi0.75 mi9631+761870+141870+14855019161916
23M23.00 mi1.25 mi9521+1101865+51865+5842220002000
24M24.00 mi1.00 mi9464+571883-181883-18912923852385
40K24.85 mi0.85 mi9386+781881+21881+2785519201920
25.2M25.20 mi0.35 mi9276+1101854+271854+27541110411041
Finish26.22 mi1.02 mi9102+1741810+441810+44618913221322

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

11106

Females

2420

F45-49

2420

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9768

Females

1722

F45-49

1722

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

11106

Females

2420

F45-49

2420

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10816

Females

2373

F45-49

2373

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9887

Females

1903

F45-49

1903

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9514

Females

1881

F45-49

1881

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

9331

Females

1972

F45-49

1972

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9634

Females

2268

F45-49

2268

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9234

Females

2258

F45-49

2258

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8550

Females

1916

F45-49

1916

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8422

Females

2000

F45-49

2000

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

9129

Females

2385

F45-49

2385

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7855

Females

1920

F45-49

1920

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5411

Females

1041

F45-49

1041

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

6189

Females

1322

F45-49

1322

Passing Analysis

Category:
Athletes Passed
2002*
Passed By
1635
Net Change
+362
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9464
5K → 10K177305-129#9464#9593
10K → 15K55549-496#9593#10089
15K → 20K137275-139#10089#10228
20K → Half4514+31#10228#10197
Half → 25K224*60+164#10197#10033
25K → 30K329*122+207#10033#9826
30K → 20M13978+60#9826#9766
20M → 21M11455+59#9766#9707
21M → 35K9822+76#9707#9631
35K → 23M16454+110#9631#9521
23M → 24M11255+57#9521#9464
24M → 40K11032+78#9464#9386
40K → 25.2M1122+110#9386#9276
25.2M → Finish18612+174#9276#9102
TOTALS2002*1635+362

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

Passing Charts

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