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BOSTON MARATHON 2025

Anna Leedham

Bib: 26952•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

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
11:23/mi
35:23
↑ 97↓ 3451.5%
10K· 6.21 mi
11:47/mi
1:12:01
↑ 79↓ 1380.4%
15K· 9.32 mi
12:08/mi
1:49:42
↑ 67↓ 78
20K· 12.43 mi
12:27/mi
2:28:23
↑ 106↓ 860.1%
Half· 13.11 mi
11:55/mi
2:36:31
↑ 19↓ 370.5%
25K· 15.53 mi
12:54/mi
3:07:47
↑ 66↓ 880.2%
30K· 18.64 mi
13:23/mi
3:49:23
↑ 181↓ 1480.2%
20M
13:01/mi
4:07:04
↑ 64↓ 500.2%
21M
13:39/mi
4:20:43
↑ 106↓ 241.6%
35K· 21.75 mi
12:03/mi
4:29:44
↑ 17↓ 861.7%
23M
13:11/mi
4:46:15
↑ 23↓ 630.6%
24M
12:37/mi
4:58:52
↓ 821.3%
40K· 24.85 mi
13:04/mi
5:10:02
↓ 200.3%
25.2M
13:15/mi
5:14:36
↑ 13↓ 160.2%
Finish· 26.22 mi
11:19/mi
5:26:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:36:31
Pace11:56 /mi
2nd Half
Distance13.11 mi
Time2:49:37
Pace12:56 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:0435:2311:2335:23
11:23
-
10K
6.21 mi12:27:421:12:0111:3536:38
11:47
+0:24
15K
9.32 mi13:05:231:49:4211:4637:41
12:08
+0:21
20K
12.43 mi13:44:042:28:2311:5638:41
12:27
+0:19
Half
13.11 mi13:52:122:36:3111:568:08
11:55
-0:32
25K
15.53 mi14:23:283:07:4712:0531:16
12:54
+0:59
30K
18.64 mi15:05:043:49:2312:1841:36
13:23
+0:29
20M
20.00 mi15:22:454:07:0412:2117:41
13:01
-0:22
21M
21.00 mi15:36:244:20:4312:2513:39
13:39
+0:38
35K
21.75 mi15:45:254:29:4412:249:01
12:03
-1:36
23M
23.00 mi16:01:564:46:1512:2716:31
13:11
+1:08
24M
24.00 mi16:14:334:58:5212:2712:37
12:37
-0:34
40K
24.85 mi16:25:435:10:0212:2811:10
13:04
+0:27
25.2M
25.20 mi16:30:175:14:3612:294:34
13:15
+0:11
Finish
26.22 mi16:41:495:26:0812:2711:32
11:19
-1:56

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

11:19 /mi

Average Pace

12:27 /mi

Slowest Pace

13:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:23

42% of race

Time at Steady Pace

1:22:34

25% of race

Time at Slower Pace

1:45:11

32% of race

Average Pace: 12:26 /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 mi11:51:0435:2311:2335:23
11:23
#27921
10K
6.21 mi12:27:421:12:0111:3536:38
11:47
#27885
15K
9.32 mi13:05:231:49:4211:4637:41
12:08
#27860
20K
12.43 mi13:44:042:28:2311:5638:41
12:27
#27774
Half
13.11 mi13:52:122:36:3111:568:08
11:55
#27762
25K
15.53 mi14:23:283:07:4712:0531:16
12:54
#27663
30K
18.64 mi15:05:043:49:2312:1841:36
13:23
#27577
20M
20.00 mi15:22:454:07:0412:2117:41
13:01
#27502
21M
21.00 mi15:36:244:20:4312:2513:39
13:39
#27439
35K
21.75 mi15:45:254:29:4412:249:01
12:03
#27409
23M
23.00 mi16:01:564:46:1512:2716:31
13:11
#27388
24M
24.00 mi16:14:334:58:5212:2712:37
12:37
#27363
40K
24.85 mi16:25:435:10:0212:2811:10
13:04
#27328
25.2M
25.20 mi16:30:175:14:3612:294:34
13:15
#27319
Finish
26.22 mi16:41:495:26:0812:2711:32
11:19
#27297
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27921119091190927707(Top 98%)11808(Top 97%)11808(Top 216%)
10K6.21 mi3.10 mi27885+3611882+2711882+2727826(Top 98%)11854(Top 97%)11854(Top 217%)
15K9.32 mi3.11 mi27860+2511879+311879+327707(Top 98%)11808(Top 97%)11808(Top 216%)
20K12.43 mi3.11 mi27774+8611839+4011839+4027480(Top 97%)11689(Top 96%)11689(Top 214%)
Half13.11 mi0.68 mi27762+1211833+611833+627390(Top 96%)11641(Top 95%)11641(Top 213%)
25K15.53 mi2.42 mi27663+9911774+5911774+5927220(Top 96%)11557(Top 95%)11557(Top 211%)
30K18.64 mi3.11 mi27577+8611743+3111743+3127043(Top 95%)11520(Top 94%)11520(Top 211%)
20M20.00 mi1.36 mi27502+7511714+2911714+2926448(Top 93%)11256(Top 92%)11256(Top 206%)
21M21.00 mi1.00 mi27439+6311671+4311671+4325819(Top 91%)10958(Top 90%)10958(Top 200%)
35K21.75 mi0.75 mi27409+3011658+1311658+1325935(Top 91%)11075(Top 91%)11075(Top 203%)
23M23.00 mi1.25 mi27388+2111652+611652+626600(Top 94%)11403(Top 93%)11403(Top 209%)
24M24.00 mi1.00 mi27363+2511647+511647+526439(Top 93%)11341(Top 93%)11341(Top 207%)
40K24.85 mi0.85 mi27328+3511633+1411633+1426346(Top 93%)11315(Top 93%)11315(Top 207%)
25.2M25.20 mi0.35 mi27319+911628+511628+525332(Top 89%)10866(Top 89%)10866(Top 199%)
Finish26.22 mi1.02 mi27297+2211620+811620+825879(Top 91%)11093(Top 91%)11093(Top 203%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

27707

Females

11808

F18-39

11808

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

27826

Females

11854

F18-39

11854

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

27707

Females

11808

F18-39

11808

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

27480

Females

11689

F18-39

11689

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27390

Females

11641

F18-39

11641

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

27220

Females

11557

F18-39

11557

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

27043

Females

11520

F18-39

11520

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26448

Females

11256

F18-39

11256

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25819

Females

10958

F18-39

10958

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25935

Females

11075

F18-39

11075

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

26600

Females

11403

F18-39

11403

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

26439

Females

11341

F18-39

11341

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26346

Females

11315

F18-39

11315

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25332

Females

10866

F18-39

10866

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

25879

Females

11093

F18-39

11093

Passing Analysis

Category:
Athletes Passed
838
Passed By
214
Net Change
+624
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27921
5K → 10K10367+36#27921#27885
10K → 15K7449+25#27885#27860
15K → 20K10620+86#27860#27774
20K → Half186+12#27774#27762
Half → 25K11314+99#27762#27663
25K → 30K10822+86#27663#27577
30K → 20M772+75#27577#27502
20M → 21M630+63#27502#27439
21M → 35K322+30#27439#27409
35K → 23M3413+21#27409#27388
23M → 24M349+25#27388#27363
24M → 40K372+35#27363#27328
40K → 25.2M112+9#27328#27319
25.2M → Finish286+22#27319#27297
TOTALS838214+624
📊

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