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BOSTON MARATHON 2025

Colby Lundstrom

Bib: 9675•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Masters (Masters Men)
#0 / 10463
Top 7%
Division (M45-49)
#0 / 2386
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:11
Rank: #6459
Start → 5K
21:11 | 6:49/mi
10K· 6.21 mi
42:03
Rank: #5994 (+465)
5K → 10K
20:52 | 6:43/mi
15K· 9.32 mi
1:02:48
Rank: #5601 (+393)
10K → 15K
20:45 | 6:41/mi
20K· 12.43 mi
1:23:45
Rank: #5360 (+241)
15K → 20K
20:57 | 6:45/mi
Half· 13.11 mi
1:28:17
Rank: #5316 (+44)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:44:14
Rank: #4892 (+424)
Half → 25K
15:57 | 6:35/mi
30K· 18.64 mi
2:05:12
Rank: #4449 (+443)
25K → 30K
20:58 | 6:45/mi
20M
2:14:25
Rank: #4271 (+178)
30K → 20M
9:13 | 6:47/mi
21M
2:21:40
Rank: #4178 (+93)
20M → 21M
7:15 | 7:15/mi
35K· 21.75 mi
2:26:28
Rank: #4078 (+100)
21M → 35K
4:48 | 6:25/mi
23M
2:34:46
Rank: #3873 (+205)
35K → 23M
8:18 | 6:38/mi
24M
2:41:09
Rank: #3721 (+152)
23M → 24M
6:23 | 6:23/mi
40K· 24.85 mi
2:46:52
Rank: #3625 (+96)
24M → 40K
5:43 | 6:41/mi
25.2M
2:49:20
Rank: #3555 (+70)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:55:54
Rank: #3460 (+95)
25.2M → Finish
6:34 | 6:27/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:28:17
Pace6:44 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:27:37
Pace6:41 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5621:116:4921:11
6:49
-
10K
6.21 mi11:07:4842:036:4620:52
6:43
-0:06
15K
9.32 mi11:28:331:02:486:4420:45
6:41
-0:02
20K
12.43 mi11:49:301:23:456:4420:57
6:45
+0:04
Half
13.11 mi11:54:021:28:176:444:32
6:39
-0:06
25K
15.53 mi12:09:591:44:146:4315:57
6:35
-0:04
30K
18.64 mi12:30:572:05:126:4320:58
6:45
+0:10
20M
20.00 mi12:40:102:14:256:439:13
6:47
+0:02
21M
21.00 mi12:47:252:21:406:457:15
7:15
+0:28
35K
21.75 mi12:52:132:26:286:444:48
6:25
-0:50
23M
23.00 mi13:00:312:34:466:448:18
6:38
+0:13
24M
24.00 mi13:06:542:41:096:436:23
6:23
-0:15
40K
24.85 mi13:12:372:46:526:435:43
6:41
+0:18
25.2M
25.20 mi13:15:052:49:206:432:28
7:09
+0:28
Finish
26.22 mi13:21:392:55:546:436:34
6:27
-0:42

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

6:23 /mi

Average Pace

6:43 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:11

94% of race

Time at Steady Pace

9:43

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:43 /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 mi10:46:5621:116:4921:11
6:49
#6459
10K
6.21 mi11:07:4842:036:4620:52
6:43
#5994
15K
9.32 mi11:28:331:02:486:4420:45
6:41
#5601
20K
12.43 mi11:49:301:23:456:4420:57
6:45
#5360
Half
13.11 mi11:54:021:28:176:444:32
6:39
#5316
25K
15.53 mi12:09:591:44:146:4315:57
6:35
#4892
30K
18.64 mi12:30:572:05:126:4320:58
6:45
#4449
20M
20.00 mi12:40:102:14:256:439:13
6:47
#4271
21M
21.00 mi12:47:252:21:406:457:15
7:15
#4178
35K
21.75 mi12:52:132:26:286:444:48
6:25
#4078
23M
23.00 mi13:00:312:34:466:448:18
6:38
#3873
24M
24.00 mi13:06:542:41:096:436:23
6:23
#3721
40K
24.85 mi13:12:372:46:526:435:43
6:41
#3625
25.2M
25.20 mi13:15:052:49:206:432:28
7:09
#3555
Finish
26.22 mi13:21:392:55:546:436:34
6:27
#3460
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6459588558854883(Top 17%)4554(Top 28%)4554(Top 191%)
10K6.21 mi3.10 mi5994+4655504+3815504+3815487(Top 19%)5062(Top 31%)5062(Top 212%)
15K9.32 mi3.11 mi5601+3935165+3395165+3394883(Top 17%)4554(Top 28%)4554(Top 191%)
20K12.43 mi3.11 mi5360+2414959+2064959+2064800(Top 17%)4443(Top 28%)4443(Top 186%)
Half13.11 mi0.68 mi5316+444919+404919+404816(Top 17%)4476(Top 28%)4476(Top 188%)
25K15.53 mi2.42 mi4892+4244545+3744545+3743342(Top 12%)3161(Top 20%)3161(Top 132%)
30K18.64 mi3.11 mi4449+4434153+3924153+3923144(Top 11%)2951(Top 18%)2951(Top 124%)
20M20.00 mi1.36 mi4271+1783994+1593994+1592854(Top 10%)2670(Top 17%)2670(Top 112%)
21M21.00 mi1.00 mi4178+933900+943900+943394(Top 12%)3116(Top 19%)3116(Top 131%)
35K21.75 mi0.75 mi4078+1003807+933807+932123(Top 7%)1990(Top 12%)1990(Top 83%)
23M23.00 mi1.25 mi3873+2053617+1903617+1901971(Top 7%)1842(Top 11%)1842(Top 77%)
24M24.00 mi1.00 mi3721+1523477+1403477+1401622(Top 6%)1515(Top 9%)1515(Top 63%)
40K24.85 mi0.85 mi3625+963385+923385+922328(Top 8%)2133(Top 13%)2133(Top 89%)
25.2M25.20 mi0.35 mi3555+703320+653320+652017(Top 7%)1830(Top 11%)1830(Top 77%)
Finish26.22 mi1.02 mi3460+953235+853235+852542(Top 9%)2311(Top 14%)2311(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4883

Males

4554

M45-49

4554

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5487

Males

5062

M45-49

5062

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4883

Males

4554

M45-49

4554

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4800

Males

4443

M45-49

4443

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4816

Males

4476

M45-49

4476

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3342

Males

3161

M45-49

3161

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3144

Males

2951

M45-49

2951

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2854

Males

2670

M45-49

2670

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3394

Males

3116

M45-49

3116

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

2123

Males

1990

M45-49

1990

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1971

Males

1842

M45-49

1842

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1622

Males

1515

M45-49

1515

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2328

Males

2133

M45-49

2133

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

2017

Males

1830

M45-49

1830

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2542

Males

2311

M45-49

2311

Passing Analysis

Category:
Athletes Passed
3142
Passed By
143
Net Change
+2999
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6459
5K → 10K50944+465#6459#5994
10K → 15K40613+393#5994#5601
15K → 20K26423+241#5601#5360
20K → Half528+44#5360#5316
Half → 25K4240+424#5316#4892
25K → 30K4529+443#4892#4449
30K → 20M1857+178#4449#4271
20M → 21M11118+93#4271#4178
21M → 35K1044+100#4178#4078
35K → 23M2072+205#4078#3873
23M → 24M1520+152#3873#3721
24M → 40K1026+96#3721#3625
40K → 25.2M722+70#3625#3555
25.2M → Finish1027+95#3555#3460
TOTALS3142143+2999
📊

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