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BOSTON MARATHON 2025

Colby Haase

Bib: 10563•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 40%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 42%
Division (M50-54)
#0 / 1996
Top 45%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:33
Rank: #9953
Start → 5K
22:33 | 7:15/mi
10K· 6.21 mi
44:41
Rank: #9388 (+565)
5K → 10K
22:08 | 7:07/mi
15K· 9.32 mi
1:09:04
Rank: #11154 (-1766)
10K → 15K
24:23 | 7:51/mi
20K· 12.43 mi
1:31:32
Rank: #10451 (+703)
15K → 20K
22:28 | 7:14/mi
Half· 13.11 mi
1:36:29
Rank: #10387 (+64)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:54:39
Rank: #10278 (+109)
Half → 25K
18:10 | 7:30/mi
30K· 18.64 mi
2:19:28
Rank: #10418 (-140)
25K → 30K
24:49 | 7:59/mi
20M
2:30:38
Rank: #10530 (-112)
30K → 20M
11:10 | 8:13/mi
21M
2:39:49
Rank: #10752 (-222)
20M → 21M
9:11 | 9:11/mi
35K· 21.75 mi
2:46:01
Rank: #10862 (-110)
21M → 35K
6:12 | 8:17/mi
23M
2:56:39
Rank: #10981 (-119)
35K → 23M
10:38 | 8:30/mi
24M
3:05:00
Rank: #11060 (-79)
23M → 24M
8:21 | 8:21/mi
40K· 24.85 mi
3:12:19
Rank: #11159 (-99)
24M → 40K
7:19 | 8:33/mi
25.2M
3:15:31
Rank: #11183 (-24)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:24:03
Rank: #11354 (-171)
25.2M → Finish
8:32 | 8:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:29
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:47:34
Pace8:12 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4122:337:1522:33
7:15
-
10K
6.21 mi11:10:4944:417:1122:08
7:07
-0:08
15K
9.32 mi11:35:121:09:047:2524:23
7:51
+0:44
20K
12.43 mi11:57:401:31:327:2222:28
7:14
-0:37
Half
13.11 mi12:02:371:36:297:224:57
7:15
+0:01
25K
15.53 mi12:20:471:54:397:2318:10
7:30
+0:15
30K
18.64 mi12:45:362:19:287:2924:49
7:59
+0:29
20M
20.00 mi12:56:462:30:387:3211:10
8:13
+0:14
21M
21.00 mi13:05:572:39:497:379:11
9:11
+0:58
35K
21.75 mi13:12:092:46:017:386:12
8:17
-0:54
23M
23.00 mi13:22:472:56:397:4110:38
8:30
+0:13
24M
24.00 mi13:31:083:05:007:438:21
8:21
-0:09
40K
24.85 mi13:38:273:12:197:447:19
8:33
+0:12
25.2M
25.20 mi13:41:393:15:317:463:12
9:17
+0:44
Finish
26.22 mi13:50:113:24:037:478:32
8:22
-0:55

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

7:07 /mi

Average Pace

7:47 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:39

56% of race

Time at Steady Pace

1:17:01

38% of race

Time at Slower Pace

12:23

6% of race

Average Pace: 7:47 /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 mi10:48:4122:337:1522:33
7:15
#9953
10K
6.21 mi11:10:4944:417:1122:08
7:07
#9388
15K
9.32 mi11:35:121:09:047:2524:23
7:51
#11154
20K
12.43 mi11:57:401:31:327:2222:28
7:14
#10451
Half
13.11 mi12:02:371:36:297:224:57
7:15
#10387
25K
15.53 mi12:20:471:54:397:2318:10
7:30
#10278
30K
18.64 mi12:45:362:19:287:2924:49
7:59
#10418
20M
20.00 mi12:56:462:30:387:3211:10
8:13
#10530
21M
21.00 mi13:05:572:39:497:379:11
9:11
#10752
35K
21.75 mi13:12:092:46:017:386:12
8:17
#10862
23M
23.00 mi13:22:472:56:397:4110:38
8:30
#10981
24M
24.00 mi13:31:083:05:007:438:21
8:21
#11060
40K
24.85 mi13:38:273:12:197:447:19
8:33
#11159
25.2M
25.20 mi13:41:393:15:317:463:12
9:17
#11183
Finish
26.22 mi13:50:113:24:037:478:32
8:22
#11354
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi99538143814314773(Top 52%)10266(Top 64%)10266(Top 514%)
10K6.21 mi3.10 mi9388+5657836+3077836+3078869(Top 31%)7525(Top 47%)7525(Top 377%)
15K9.32 mi3.11 mi11154-17668732-8968732-89614773(Top 52%)10266(Top 64%)10266(Top 514%)
20K12.43 mi3.11 mi10451+7038347+3858347+3858465(Top 30%)7141(Top 44%)7141(Top 358%)
Half13.11 mi0.68 mi10387+648304+438304+439586(Top 34%)7821(Top 49%)7821(Top 392%)
25K15.53 mi2.42 mi10278+1098213+918213+919895(Top 35%)7812(Top 49%)7812(Top 391%)
30K18.64 mi3.11 mi10418-1408227-148227-1411277(Top 40%)8329(Top 52%)8329(Top 417%)
20M20.00 mi1.36 mi10530-1128233-68233-611884(Top 42%)8467(Top 53%)8467(Top 424%)
21M21.00 mi1.00 mi10752-2228304-718304-7114502(Top 51%)9563(Top 59%)9563(Top 479%)
35K21.75 mi0.75 mi10862-1108331-278331-2714141(Top 50%)9338(Top 58%)9338(Top 468%)
23M23.00 mi1.25 mi10981-1198345-148345-1413241(Top 47%)8799(Top 55%)8799(Top 441%)
24M24.00 mi1.00 mi11060-798346-18346-113543(Top 48%)8915(Top 55%)8915(Top 447%)
40K24.85 mi0.85 mi11159-998358-128358-1213756(Top 48%)8881(Top 55%)8881(Top 445%)
25.2M25.20 mi0.35 mi11183-248351+78351+713287(Top 47%)8593(Top 53%)8593(Top 431%)
Finish26.22 mi1.02 mi11354-1718396-458396-4515362(Top 54%)9642(Top 60%)9642(Top 483%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

14773

Males

10266

M50-54

10266

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8869

Males

7525

M50-54

7525

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

14773

Males

10266

M50-54

10266

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8465

Males

7141

M50-54

7141

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9586

Males

7821

M50-54

7821

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9895

Males

7812

M50-54

7812

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11277

Males

8329

M50-54

8329

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11884

Males

8467

M50-54

8467

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

14502

Males

9563

M50-54

9563

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14141

Males

9338

M50-54

9338

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

13241

Males

8799

M50-54

8799

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13543

Males

8915

M50-54

8915

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13756

Males

8881

M50-54

8881

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13287

Males

8593

M50-54

8593

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

15362

Males

9642

M50-54

9642

Passing Analysis

Category:
Athletes Passed
2218
Passed By
3616
Net Change
-1401
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9953
5K → 10K62156+565#9953#9388
10K → 15K151779-1766#9388#11154
15K → 20K7063+703#11154#10451
20K → Half695+64#10451#10387
Half → 25K20697+109#10387#10278
25K → 30K189328-140#10278#10418
30K → 20M90202-112#10418#10530
20M → 21M50272-222#10530#10752
21M → 35K32142-110#10752#10862
35K → 23M76195-119#10862#10981
23M → 24M56135-79#10981#11060
24M → 40K46145-99#11060#11159
40K → 25.2M2953-24#11159#11183
25.2M → Finish33204-171#11183#11354
TOTALS22183616-1401
📊

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