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BOSTON MARATHON 2025

Timothy Larson

Bib: 5606•M

RI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Division (M18-39)
#0 / 5642
Top 30%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:15
Rank: #3947
Start → 5K
20:15 | 6:31/mi
10K· 6.21 mi
40:21
Rank: #3723 (+224)
5K → 10K
20:06 | 6:28/mi
15K· 9.32 mi
1:00:16
Rank: #3419 (+304)
10K → 15K
19:55 | 6:25/mi
20K· 12.43 mi
1:20:21
Rank: #3254 (+165)
15K → 20K
20:05 | 6:28/mi
Half· 13.11 mi
1:24:45
Rank: #3261 (-7)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:40:44
Rank: #3281 (-20)
Half → 25K
15:59 | 6:36/mi
30K· 18.64 mi
2:00:39
Rank: #2862 (+419)
25K → 30K
19:55 | 6:25/mi
20M
2:09:27
Rank: #2709 (+153)
30K → 20M
8:48 | 6:29/mi
21M
2:16:14
Rank: #2594 (+115)
20M → 21M
6:47 | 6:47/mi
35K· 21.75 mi
2:20:54
Rank: #2516 (+78)
21M → 35K
4:40 | 6:14/mi
23M
2:29:03
Rank: #2404 (+112)
35K → 23M
8:09 | 6:31/mi
24M
2:35:18
Rank: #2322 (+82)
23M → 24M
6:15 | 6:15/mi
40K· 24.85 mi
2:40:44
Rank: #2240 (+82)
24M → 40K
5:26 | 6:21/mi
25.2M
2:43:09
Rank: #2211 (+29)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:49:25
Rank: #2154 (+57)
25.2M → Finish
6:16 | 6:09/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:24:45
Pace6:28 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:40
Pace6:28 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:1120:156:3120:15
6:31
-
10K
6.21 mi10:46:1740:216:3020:06
6:28
-0:03
15K
9.32 mi11:06:121:00:166:2819:55
6:25
-0:03
20K
12.43 mi11:26:171:20:216:2820:05
6:28
+0:03
Half
13.11 mi11:30:411:24:456:284:24
6:27
-0:01
25K
15.53 mi11:46:401:40:446:2915:59
6:36
+0:09
30K
18.64 mi12:06:352:00:396:2819:55
6:25
-0:11
20M
20.00 mi12:15:232:09:276:288:48
6:29
+0:04
21M
21.00 mi12:22:102:16:146:296:47
6:47
+0:18
35K
21.75 mi12:26:502:20:546:294:40
6:14
-0:33
23M
23.00 mi12:34:592:29:036:298:09
6:31
+0:17
24M
24.00 mi12:41:142:35:186:286:15
6:15
-0:16
40K
24.85 mi12:46:402:40:446:285:26
6:21
+0:06
25.2M
25.20 mi12:49:052:43:096:282:25
7:00
+0:39
Finish
26.22 mi12:55:212:49:256:286:16
6:09
-0:51

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

6:09 /mi

Average Pace

6:28 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:13

95% of race

Time at Steady Pace

9:12

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:28 /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 mi10:26:1120:156:3120:15
6:31
#3947
10K
6.21 mi10:46:1740:216:3020:06
6:28
#3723
15K
9.32 mi11:06:121:00:166:2819:55
6:25
#3419
20K
12.43 mi11:26:171:20:216:2820:05
6:28
#3254
Half
13.11 mi11:30:411:24:456:284:24
6:27
#3261
25K
15.53 mi11:46:401:40:446:2915:59
6:36
#3281
30K
18.64 mi12:06:352:00:396:2819:55
6:25
#2862
20M
20.00 mi12:15:232:09:276:288:48
6:29
#2709
21M
21.00 mi12:22:102:16:146:296:47
6:47
#2594
35K
21.75 mi12:26:502:20:546:294:40
6:14
#2516
23M
23.00 mi12:34:592:29:036:298:09
6:31
#2404
24M
24.00 mi12:41:142:35:186:286:15
6:15
#2322
40K
24.85 mi12:46:402:40:446:285:26
6:21
#2240
25.2M
25.20 mi12:49:052:43:096:282:25
7:00
#2211
Finish
26.22 mi12:55:212:49:256:286:16
6:09
#2154
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3947373437342993(Top 11%)2852(Top 18%)2852(Top 51%)
10K6.21 mi3.10 mi3723+2243527+2073527+2073500(Top 12%)3315(Top 21%)3315(Top 59%)
15K9.32 mi3.11 mi3419+3043246+2813246+2812993(Top 11%)2852(Top 18%)2852(Top 51%)
20K12.43 mi3.11 mi3254+1653097+1493097+1492890(Top 10%)2752(Top 17%)2752(Top 49%)
Half13.11 mi0.68 mi3261-73104-73104-73305(Top 12%)3131(Top 19%)3131(Top 55%)
25K15.53 mi2.42 mi3281-203121-173121-173389(Top 12%)3198(Top 20%)3198(Top 57%)
30K18.64 mi3.11 mi2862+4192726+3952726+3951600(Top 6%)1517(Top 9%)1517(Top 27%)
20M20.00 mi1.36 mi2709+1532579+1472579+1471540(Top 5%)1455(Top 9%)1455(Top 26%)
21M21.00 mi1.00 mi2594+1152473+1062473+1061475(Top 5%)1391(Top 9%)1391(Top 25%)
35K21.75 mi0.75 mi2516+782396+772396+771384(Top 5%)1311(Top 8%)1311(Top 23%)
23M23.00 mi1.25 mi2404+1122288+1082288+1081487(Top 5%)1397(Top 9%)1397(Top 25%)
24M24.00 mi1.00 mi2322+822210+782210+781171(Top 4%)1098(Top 7%)1098(Top 19%)
40K24.85 mi0.85 mi2240+822129+812129+811111(Top 4%)1040(Top 6%)1040(Top 18%)
25.2M25.20 mi0.35 mi2211+292101+282101+281493(Top 5%)1364(Top 8%)1364(Top 24%)
Finish26.22 mi1.02 mi2154+572044+572044+571351(Top 5%)1258(Top 8%)1258(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2993

Males

2852

M18-39

2852

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3500

Males

3315

M18-39

3315

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2993

Males

2852

M18-39

2852

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2890

Males

2752

M18-39

2752

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3305

Males

3131

M18-39

3131

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3389

Males

3198

M18-39

3198

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1600

Males

1517

M18-39

1517

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1540

Males

1455

M18-39

1455

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1475

Males

1391

M18-39

1391

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1384

Males

1311

M18-39

1311

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1487

Males

1397

M18-39

1397

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1171

Males

1098

M18-39

1098

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1111

Males

1040

M18-39

1040

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1493

Males

1364

M18-39

1364

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1351

Males

1258

M18-39

1258

Passing Analysis

Category:
Athletes Passed
2029
Passed By
236
Net Change
+1793
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3947
5K → 10K27652+224#3947#3723
10K → 15K31915+304#3723#3419
15K → 20K18419+165#3419#3254
20K → Half1320-7#3254#3261
Half → 25K6989-20#3261#3281
25K → 30K4223+419#3281#2862
30K → 20M1563+153#2862#2709
20M → 21M1227+115#2709#2594
21M → 35K791+78#2594#2516
35K → 23M1175+112#2516#2404
23M → 24M853+82#2404#2322
24M → 40K853+82#2322#2240
40K → 25.2M345+29#2240#2211
25.2M → Finish6811+57#2211#2154
TOTALS2029236+1793
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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