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BOSTON MARATHON 2025

Matthew Liesendahl

Bib: 4420•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 10%
Division (M18-39)
#0 / 5642
Top 24%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:09
Rank: #3738
Start → 5K
6:29/mi
20:09 split
10K· 6.21 mi
39:40
Rank: #2939 (+799)
5K → 10K
6:17/mi
19:31 split
15K· 9.32 mi
59:01
Rank: #2588 (+351)
10K → 15K
6:14/mi
19:21 split
20K· 12.43 mi
1:18:36
Rank: #2394 (+194)
15K → 20K
6:18/mi
19:35 split
Half· 13.11 mi
1:22:55
Rank: #2411 (-17)
20K → Half
6:20/mi
4:19 split
25K· 15.53 mi
1:38:04
Rank: #2252 (+159)
Half → 25K
6:15/mi
15:09 split
30K· 18.64 mi
1:57:40
Rank: #1996 (+256)
25K → 30K
6:19/mi
19:36 split
20M
2:06:21
Rank: #1920 (+76)
30K → 20M
6:23/mi
8:41 split
21M
2:13:11
Rank: #1863 (+57)
20M → 21M
6:50/mi
6:50 split
35K· 21.75 mi
2:17:46
Rank: #1806 (+57)
21M → 35K
6:08/mi
4:35 split
23M
2:25:53
Rank: #1748 (+58)
35K → 23M
6:29/mi
8:07 split
24M
2:32:13
Rank: #1701 (+47)
23M → 24M
6:20/mi
6:20 split
40K· 24.85 mi
2:37:52
Rank: #1686 (+15)
24M → 40K
6:36/mi
5:39 split
25.2M
2:40:25
Rank: #1699 (-13)
40K → 25.2M
7:24/mi
2:33 split
Finish· 26.22 mi
2:46:55
Rank: #1701 (-2)
25.2M → Finish
6:23/mi
6:30 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:55
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:24:00
Pace6:24 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1820:096:2920:09
6:29
-
10K
6.21 mi10:42:4939:406:2319:31
6:17
-0:12
15K
9.32 mi11:02:1059:016:2019:21
6:14
-0:03
20K
12.43 mi11:21:451:18:366:1919:35
6:18
+0:04
Half
13.11 mi11:26:041:22:556:194:19
6:20
+0:02
25K
15.53 mi11:41:131:38:046:1915:09
6:15
-0:05
30K
18.64 mi12:00:491:57:406:1919:36
6:19
+0:04
20M
20.00 mi12:09:302:06:216:198:41
6:23
+0:04
21M
21.00 mi12:16:202:13:116:216:50
6:50
+0:27
35K
21.75 mi12:20:552:17:466:204:35
6:08
-0:42
23M
23.00 mi12:29:022:25:536:218:07
6:29
+0:21
24M
24.00 mi12:35:222:32:136:216:20
6:20
-0:09
40K
24.85 mi12:41:012:37:526:215:39
6:36
+0:16
25.2M
25.20 mi12:43:342:40:256:222:33
7:24
+0:48
Finish
26.22 mi12:50:042:46:556:226:30
6:23
-1:01

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

6:08 /mi

Average Pace

6:22 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:35

3% of race

Time at Steady Pace

2:27:18

88% of race

Time at Slower Pace

15:02

9% of race

Average Pace: 6:22 /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 mi10:23:1820:096:2920:09
6:29
#3738
10K
6.21 mi10:42:4939:406:2319:31
6:17
#2939
15K
9.32 mi11:02:1059:016:2019:21
6:14
#2588
20K
12.43 mi11:21:451:18:366:1919:35
6:18
#2394
Half
13.11 mi11:26:041:22:556:194:19
6:20
#2411
25K
15.53 mi11:41:131:38:046:1915:09
6:15
#2252
30K
18.64 mi12:00:491:57:406:1919:36
6:19
#1996
20M
20.00 mi12:09:302:06:216:198:41
6:23
#1920
21M
21.00 mi12:16:202:13:116:216:50
6:50
#1863
35K
21.75 mi12:20:552:17:466:204:35
6:08
#1806
23M
23.00 mi12:29:022:25:536:218:07
6:29
#1748
24M
24.00 mi12:35:222:32:136:216:20
6:20
#1701
40K
24.85 mi12:41:012:37:526:215:39
6:36
#1686
25.2M
25.20 mi12:43:342:40:256:222:33
7:24
#1699
Finish
26.22 mi12:50:042:46:556:226:30
6:23
#1701
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3738354135411981(Top 7%)1887(Top 12%)1887(Top 33%)
10K6.21 mi3.10 mi2939+7992801+7402801+7402305(Top 8%)2206(Top 14%)2206(Top 39%)
15K9.32 mi3.11 mi2588+3512468+3332468+3331981(Top 7%)1887(Top 12%)1887(Top 33%)
20K12.43 mi3.11 mi2394+1942284+1842284+1842033(Top 7%)1938(Top 12%)1938(Top 34%)
Half13.11 mi0.68 mi2411-172301-172301-172669(Top 9%)2552(Top 16%)2552(Top 45%)
25K15.53 mi2.42 mi2252+1592149+1522149+1521650(Top 6%)1570(Top 10%)1570(Top 28%)
30K18.64 mi3.11 mi1996+2561900+2491900+2491238(Top 4%)1169(Top 7%)1169(Top 21%)
20M20.00 mi1.36 mi1920+761827+731827+731225(Top 4%)1156(Top 7%)1156(Top 20%)
21M21.00 mi1.00 mi1863+571771+561771+561650(Top 6%)1559(Top 10%)1559(Top 28%)
35K21.75 mi0.75 mi1806+571716+551716+551039(Top 4%)980(Top 6%)980(Top 17%)
23M23.00 mi1.25 mi1748+581658+581658+581415(Top 5%)1332(Top 8%)1332(Top 24%)
24M24.00 mi1.00 mi1701+471611+471611+471418(Top 5%)1329(Top 8%)1329(Top 24%)
40K24.85 mi0.85 mi1686+151596+151596+152007(Top 7%)1850(Top 11%)1850(Top 33%)
25.2M25.20 mi0.35 mi1699-131610-141610-142937(Top 10%)2616(Top 16%)2616(Top 46%)
Finish26.22 mi1.02 mi1701-2161016102224(Top 8%)2037(Top 13%)2037(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21story building
+97ft-345ft

Overall

1981

Males

1887

M18-39

1887

5K→10K

3.1 - 6.2 mi

Top 8%
×5story building
+79ft-138ft

Overall

2305

Males

2206

M18-39

2206

10K→15K

6.2 - 9.3 mi

Top 7%
×3story building
+67ft-78ft

Overall

1981

Males

1887

M18-39

1887

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

2033

Males

1938

M18-39

1938

20K→Half

12.4 - 13.1 mi

Top 9%
×2story building
+19ft-37ft

Overall

2669

Males

2552

M18-39

2552

Half→25K

13.1 - 15.5 mi

Top 6%
×4story building
+66ft-88ft

Overall

1650

Males

1570

M18-39

1570

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1238

Males

1169

M18-39

1169

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1225

Males

1156

M18-39

1156

20M→21M

20.0 - 21.0 mi

Top 6%
×8story building
+106ft-24ft

Overall

1650

Males

1559

M18-39

1559

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

1039

Males

980

M18-39

980

35K→23M

21.8 - 23.0 mi

Top 5%
×5story building
+23ft-63ft

Overall

1415

Males

1332

M18-39

1332

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1418

Males

1329

M18-39

1329

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

2007

Males

1850

M18-39

1850

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2937

Males

2616

M18-39

2616

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2224

Males

2037

M18-39

2037

Passing Analysis

Category:
Athletes Passed
2190
Passed By
153
Net Change
+2037
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3738
5K → 10K8034+799#3738#2939
10K → 15K3521+351#2939#2588
15K → 20K2039+194#2588#2394
20K → Half522-17#2394#2411
Half → 25K1634+159#2411#2252
25K → 30K2604+256#2252#1996
30K → 20M815+76#1996#1920
20M → 21M7013+57#1920#1863
21M → 35K581+57#1863#1806
35K → 23M668+58#1806#1748
23M → 24M5710+47#1748#1701
24M → 40K3520+15#1701#1686
40K → 25.2M1225-13#1686#1699
25.2M → Finish2527-2#1699#1701
TOTALS2190153+2037
📊

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