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BOSTON MARATHON 2025

Thomas Mikkelson

Bib: 1190•M

WA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 1%
Gender (Male)
#0 / 16105
Top 2%
Division (M18-39)
#0 / 5642
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:03
Rank: #210
Start → 5K
17:03 | 5:29/mi
10K· 6.21 mi
34:11
Rank: #206 (+4)
5K → 10K
17:08 | 5:31/mi
15K· 9.32 mi
51:25
Rank: #204 (+2)
10K → 15K
17:14 | 5:33/mi
20K· 12.43 mi
1:08:45
Rank: #196 (+8)
15K → 20K
17:20 | 5:35/mi
Half· 13.11 mi
1:12:29
Rank: #192 (+4)
20K → Half
3:44 | 5:28/mi
25K· 15.53 mi
1:26:05
Rank: #185 (+7)
Half → 25K
13:36 | 5:37/mi
30K· 18.64 mi
1:44:08
Rank: #191 (-6)
25K → 30K
18:03 | 5:49/mi
20M
1:53:07
Rank: #220 (-29)
30K → 20M
8:59 | 6:37/mi
21M
1:59:44
Rank: #243 (-23)
20M → 21M
6:37 | 6:37/mi
35K· 21.75 mi
2:05:03
Rank: #292 (-49)
21M → 35K
5:19 | 7:06/mi
23M
2:13:43
Rank: #349 (-57)
35K → 23M
8:40 | 6:55/mi
24M
2:20:04
Rank: #366 (-17)
23M → 24M
6:21 | 6:21/mi
40K· 24.85 mi
2:25:35
Rank: #374 (-8)
24M → 40K
5:31 | 6:27/mi
25.2M
2:27:57
Rank: #378 (-4)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:34:22
Rank: #394 (-16)
25.2M → Finish
6:25 | 6:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:12:29
Pace5:32 /mi
2nd Half
Distance13.11 mi
Time1:21:53
Pace6:15 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:1217:035:2917:03
5:29
-
10K
6.21 mi10:34:2034:115:3017:08
5:31
+0:02
15K
9.32 mi10:51:3451:255:3117:14
5:33
+0:02
20K
12.43 mi11:08:541:08:455:3217:20
5:35
+0:02
Half
13.11 mi11:12:381:12:295:323:44
5:28
-0:07
25K
15.53 mi11:26:141:26:055:3213:36
5:37
+0:09
30K
18.64 mi11:44:171:44:085:3518:03
5:49
+0:12
20M
20.00 mi11:53:161:53:075:398:59
6:37
+0:48
21M
21.00 mi11:59:531:59:445:426:37
6:37
0:00
35K
21.75 mi12:05:122:05:035:455:19
7:06
+0:29
23M
23.00 mi12:13:522:13:435:498:40
6:55
-0:11
24M
24.00 mi12:20:132:20:045:506:21
6:21
-0:34
40K
24.85 mi12:25:442:25:355:515:31
6:27
+0:06
25.2M
25.20 mi12:28:062:27:575:522:22
6:52
+0:25
Finish
26.22 mi12:34:312:34:225:546:25
6:18
-0:34

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

5:28 /mi

Average Pace

5:54 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:08

67% of race

Time at Steady Pace

18:17

12% of race

Time at Slower Pace

31:57

21% of race

Average Pace: 5:53 /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 mi10:17:1217:035:2917:03
5:29
#210
10K
6.21 mi10:34:2034:115:3017:08
5:31
#206
15K
9.32 mi10:51:3451:255:3117:14
5:33
#204
20K
12.43 mi11:08:541:08:455:3217:20
5:35
#196
Half
13.11 mi11:12:381:12:295:323:44
5:28
#192
25K
15.53 mi11:26:141:26:055:3213:36
5:37
#185
30K
18.64 mi11:44:171:44:085:3518:03
5:49
#191
20M
20.00 mi11:53:161:53:075:398:59
6:37
#220
21M
21.00 mi11:59:531:59:445:426:37
6:37
#243
35K
21.75 mi12:05:122:05:035:455:19
7:06
#292
23M
23.00 mi12:13:522:13:435:498:40
6:55
#349
24M
24.00 mi12:20:132:20:045:506:21
6:21
#366
40K
24.85 mi12:25:442:25:355:515:31
6:27
#374
25.2M
25.20 mi12:28:062:27:575:522:22
6:52
#378
Finish
26.22 mi12:34:312:34:225:546:25
6:18
#394
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi210184184201(Top 0.7%)175(Top 1%)175(Top 3%)
10K6.21 mi3.10 mi206+4180+4180+4215(Top 0.8%)187(Top 1%)187(Top 3%)
15K9.32 mi3.11 mi204+2178+2178+2201(Top 0.7%)175(Top 1%)175(Top 3%)
20K12.43 mi3.11 mi196+8170+8170+8181(Top 0.6%)159(Top 1.0%)159(Top 3%)
Half13.11 mi0.68 mi192+4166+4166+4177(Top 0.6%)157(Top 1.0%)157(Top 3%)
25K15.53 mi2.42 mi185+7160+6160+6200(Top 0.7%)177(Top 1%)177(Top 3%)
30K18.64 mi3.11 mi191-6168-8168-8256(Top 0.9%)234(Top 1%)234(Top 4%)
20M20.00 mi1.36 mi220-29197-29197-292043(Top 7%)1932(Top 12%)1932(Top 34%)
21M21.00 mi1.00 mi243-23220-23220-23934(Top 3%)884(Top 5%)884(Top 16%)
35K21.75 mi0.75 mi292-49266-46266-465964(Top 21%)5021(Top 31%)5021(Top 89%)
23M23.00 mi1.25 mi349-57322-56322-563296(Top 12%)2994(Top 19%)2994(Top 53%)
24M24.00 mi1.00 mi366-17339-17339-171445(Top 5%)1349(Top 8%)1349(Top 24%)
40K24.85 mi0.85 mi374-8345-6345-61412(Top 5%)1306(Top 8%)1306(Top 23%)
25.2M25.20 mi0.35 mi378-4349-4349-41078(Top 4%)988(Top 6%)988(Top 18%)
Finish26.22 mi1.02 mi394-16363-14363-141852(Top 7%)1707(Top 11%)1707(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.7%
×21stories
+97ft-345ft

Overall

201

Males

175

M18-39

175

5K→10K

3.1 - 6.2 mi

Top 0.8%
×5stories
+79ft-138ft

Overall

215

Males

187

M18-39

187

10K→15K

6.2 - 9.3 mi

Top 0.7%
×3stories
+67ft-78ft

Overall

201

Males

175

M18-39

175

15K→20K

9.3 - 12.4 mi

Top 0.6%
×5stories
+106ft-86ft

Overall

181

Males

159

M18-39

159

20K→Half

12.4 - 13.1 mi

Top 0.6%
×2stories
+19ft-37ft

Overall

177

Males

157

M18-39

157

Half→25K

13.1 - 15.5 mi

Top 0.7%
×4stories
+66ft-88ft

Overall

200

Males

177

M18-39

177

25K→30K

15.5 - 18.6 mi

Top 0.9%
×9stories
+181ft-148ft

Overall

256

Males

234

M18-39

234

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

2043

Males

1932

M18-39

1932

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

934

Males

884

M18-39

884

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5964

Males

5021

M18-39

5021

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3296

Males

2994

M18-39

2994

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1445

Males

1349

M18-39

1349

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1412

Males

1306

M18-39

1306

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1078

Males

988

M18-39

988

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1852

Males

1707

M18-39

1707

Passing Analysis

Category:
Athletes Passed
94
Passed By
278
Net Change
-184
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#210
5K → 10K1713+4#210#206
10K → 15K1210+2#206#204
15K → 20K113+8#204#196
20K → Half40+4#196#192
Half → 25K158+7#192#185
25K → 30K1117-6#185#191
30K → 20M029-29#191#220
20M → 21M528-23#220#243
21M → 35K049-49#243#292
35K → 23M360-57#292#349
23M → 24M219-17#349#366
24M → 40K412-8#366#374
40K → 25.2M15-4#374#378
25.2M → Finish925-16#378#394
TOTALS94278-184
📊

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