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BOSTON MARATHON 2025

Lilli Walsh

Bib: 26057•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
10:18/mi
32:00
↑ 97↓ 3451.5%
10K· 6.21 mi
9:36/mi
1:01:48
↑ 79↓ 1380.4%
15K· 9.32 mi
9:46/mi
1:32:09
↑ 67↓ 78
20K· 12.43 mi
10:03/mi
2:03:23
↑ 106↓ 860.1%
Half· 13.11 mi
9:49/mi
2:10:05
↑ 19↓ 370.5%
25K· 15.53 mi
10:35/mi
2:35:44
↑ 66↓ 880.2%
30K· 18.64 mi
11:04/mi
3:10:07
↑ 181↓ 1480.2%
20M
12:25/mi
3:27:00
↑ 64↓ 500.2%
21M
12:19/mi
3:39:19
↑ 106↓ 241.6%
35K· 21.75 mi
10:34/mi
3:47:13
↑ 17↓ 861.7%
23M
11:20/mi
4:01:24
↑ 23↓ 630.6%
24M
10:27/mi
4:11:51
↓ 821.3%
40K· 24.85 mi
10:47/mi
4:21:04
↓ 200.3%
25.2M
11:27/mi
4:25:01
↑ 13↓ 160.2%
Finish· 26.22 mi
9:47/mi
4:34:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:05
Pace9:55 /mi
2nd Half
Distance13.11 mi
Time2:24:54
Pace11:03 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5432:0010:1832:00
10:18
-
10K
6.21 mi12:21:421:01:489:5729:48
9:36
-0:42
15K
9.32 mi12:52:031:32:099:5330:21
9:46
+0:10
20K
12.43 mi13:23:172:03:239:5631:14
10:03
+0:17
Half
13.11 mi13:29:592:10:059:556:42
9:49
-0:14
25K
15.53 mi13:55:382:35:4410:0225:39
10:35
+0:46
30K
18.64 mi14:30:013:10:0710:1234:23
11:04
+0:29
20M
20.00 mi14:46:543:27:0010:2116:53
12:25
+1:21
21M
21.00 mi14:59:133:39:1910:2712:19
12:19
-0:06
35K
21.75 mi15:07:073:47:1310:277:54
10:34
-1:45
23M
23.00 mi15:21:184:01:2410:3014:11
11:20
+0:46
24M
24.00 mi15:31:454:11:5110:3010:27
10:27
-0:53
40K
24.85 mi15:40:584:21:0410:309:13
10:47
+0:20
25.2M
25.20 mi15:44:554:25:0110:313:57
11:27
+0:40
Finish
26.22 mi15:54:534:34:5910:309:58
9:47
-1:40

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

9:36 /mi

Average Pace

10:30 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:03

39% of race

Time at Steady Pace

1:25:13

31% of race

Time at Slower Pace

1:21:43

30% of race

Average Pace: 10:29 /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 mi11:51:5432:0010:1832:00
10:18
#26305
10K
6.21 mi12:21:421:01:489:5729:48
9:36
#25299
15K
9.32 mi12:52:031:32:099:5330:21
9:46
#25017
20K
12.43 mi13:23:172:03:239:5631:14
10:03
#24824
Half
13.11 mi13:29:592:10:059:556:42
9:49
#24807
25K
15.53 mi13:55:382:35:4410:0225:39
10:35
#24771
30K
18.64 mi14:30:013:10:0710:1234:23
11:04
#24654
20M
20.00 mi14:46:543:27:0010:2116:53
12:25
#24781
21M
21.00 mi14:59:133:39:1910:2712:19
12:19
#24761
35K
21.75 mi15:07:073:47:1310:277:54
10:34
#24721
23M
23.00 mi15:21:184:01:2410:3014:11
11:20
#24680
24M
24.00 mi15:31:454:11:5110:3010:27
10:27
#24605
40K
24.85 mi15:40:584:21:0410:309:13
10:47
#24546
25.2M
25.20 mi15:44:554:25:0110:313:57
11:27
#24514
Finish
26.22 mi15:54:534:34:5910:309:58
9:47
#24457
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26305109241092424485(Top 86%)9947(Top 81%)9947(Top 182%)
10K6.21 mi3.10 mi25299+100610395+52910395+52924347(Top 86%)9887(Top 81%)9887(Top 181%)
15K9.32 mi3.11 mi25017+28210233+16210233+16224485(Top 86%)9947(Top 81%)9947(Top 182%)
20K12.43 mi3.11 mi24824+19310135+9810135+9824351(Top 86%)9909(Top 81%)9909(Top 181%)
Half13.11 mi0.68 mi24807+1710126+910126+924455(Top 86%)9976(Top 82%)9976(Top 182%)
25K15.53 mi2.42 mi24771+3610131-510131-524519(Top 86%)10030(Top 82%)10030(Top 183%)
30K18.64 mi3.11 mi24654+11710090+4110090+4124118(Top 85%)9929(Top 81%)9929(Top 182%)
20M20.00 mi1.36 mi24781-12710173-8310173-8325828(Top 91%)10917(Top 89%)10917(Top 200%)
21M21.00 mi1.00 mi24761+2010171+210171+224133(Top 85%)10102(Top 83%)10102(Top 185%)
35K21.75 mi0.75 mi24721+4010159+1210159+1223311(Top 82%)9714(Top 79%)9714(Top 178%)
23M23.00 mi1.25 mi24680+41101591015923956(Top 84%)10081(Top 82%)10081(Top 184%)
24M24.00 mi1.00 mi24605+7510132+2710132+2722697(Top 80%)9482(Top 78%)9482(Top 173%)
40K24.85 mi0.85 mi24546+5910106+2610106+2622656(Top 80%)9533(Top 78%)9533(Top 174%)
25.2M25.20 mi0.35 mi24514+3210092+1410092+1421985(Top 77%)9157(Top 75%)9157(Top 167%)
Finish26.22 mi1.02 mi24457+5710078+1410078+1422235(Top 78%)9290(Top 76%)9290(Top 170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

24485

Females

9947

F18-39

9947

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

24347

Females

9887

F18-39

9887

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

24485

Females

9947

F18-39

9947

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24351

Females

9909

F18-39

9909

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

24455

Females

9976

F18-39

9976

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24519

Females

10030

F18-39

10030

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

24118

Females

9929

F18-39

9929

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25828

Females

10917

F18-39

10917

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

24133

Females

10102

F18-39

10102

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

23311

Females

9714

F18-39

9714

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23956

Females

10081

F18-39

10081

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22697

Females

9482

F18-39

9482

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22656

Females

9533

F18-39

9533

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21985

Females

9157

F18-39

9157

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

22235

Females

9290

F18-39

9290

Passing Analysis

Category:
Athletes Passed
2367
Passed By
519
Net Change
+1848
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26305
5K → 10K10093+1006#26305#25299
10K → 15K30422+282#25299#25017
15K → 20K25259+193#25017#24824
20K → Half3114+17#24824#24807
Half → 25K12387+36#24807#24771
25K → 30K19780+117#24771#24654
30K → 20M30157-127#24654#24781
20M → 21M5636+20#24781#24761
21M → 35K499+40#24761#24721
35K → 23M7130+41#24721#24680
23M → 24M805+75#24680#24605
24M → 40K689+59#24605#24546
40K → 25.2M320+32#24546#24514
25.2M → Finish658+57#24514#24457
TOTALS2367519+1848
📊

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