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BOSTON MARATHON 2025

Collin Zollman

Bib: 2199•M

IN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:03
Rank: #8595
Start → 5K
22:03 | 7:06/mi
10K· 6.21 mi
44:09
Rank: #8666 (-71)
5K → 10K
22:06 | 7:07/mi
15K· 9.32 mi
1:06:16
Rank: #8554 (+112)
10K → 15K
22:07 | 7:07/mi
20K· 12.43 mi
1:28:30
Rank: #8313 (+241)
15K → 20K
22:14 | 7:09/mi
Half· 13.11 mi
1:33:22
Rank: #8318 (-5)
20K → Half
4:52 | 7:08/mi
25K· 15.53 mi
1:50:31
Rank: #8025 (+293)
Half → 25K
17:09 | 7:04/mi
30K· 18.64 mi
2:12:53
Rank: #7530 (+495)
25K → 30K
22:22 | 7:12/mi
20M
2:22:43
Rank: #7300 (+230)
30K → 20M
9:50 | 7:14/mi
21M
2:29:47
Rank: #6929 (+371)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:34:56
Rank: #6778 (+151)
21M → 35K
5:09 | 6:53/mi
23M
2:43:56
Rank: #6573 (+205)
35K → 23M
9:00 | 7:11/mi
24M
2:50:59
Rank: #6459 (+114)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
2:57:15
Rank: #6391 (+68)
24M → 40K
6:16 | 7:20/mi
25.2M
2:59:58
Rank: #6346 (+45)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:07:24
Rank: #6326 (+20)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:33:22
Pace7:07 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:34:02
Pace7:10 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:4622:037:0622:03
7:06
-
10K
6.21 mi10:52:5244:097:0622:06
7:07
+0:01
15K
9.32 mi11:14:591:06:167:0722:07
7:07
0:00
20K
12.43 mi11:37:131:28:307:0722:14
7:09
+0:02
Half
13.11 mi11:42:051:33:227:074:52
7:08
-0:01
25K
15.53 mi11:59:141:50:317:0717:09
7:04
-0:04
30K
18.64 mi12:21:362:12:537:0822:22
7:12
+0:08
20M
20.00 mi12:31:262:22:437:089:50
7:14
+0:02
21M
21.00 mi12:38:302:29:477:087:04
7:04
-0:10
35K
21.75 mi12:43:392:34:567:075:09
6:53
-0:11
23M
23.00 mi12:52:392:43:567:089:00
7:11
+0:18
24M
24.00 mi12:59:422:50:597:077:03
7:03
-0:08
40K
24.85 mi13:05:582:57:157:086:16
7:20
+0:17
25.2M
25.20 mi13:08:412:59:587:082:43
7:53
+0:33
Finish
26.22 mi13:16:073:07:247:097:26
7:18
-0:35

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

6:53 /mi

Average Pace

7:09 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:41

99% of race

Time at Steady Pace

2:43

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:09 /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 mi10:30:4622:037:0622:03
7:06
#8595
10K
6.21 mi10:52:5244:097:0622:06
7:07
#8666
15K
9.32 mi11:14:591:06:167:0722:07
7:07
#8554
20K
12.43 mi11:37:131:28:307:0722:14
7:09
#8313
Half
13.11 mi11:42:051:33:227:074:52
7:08
#8318
25K
15.53 mi11:59:141:50:317:0717:09
7:04
#8025
30K
18.64 mi12:21:362:12:537:0822:22
7:12
#7530
20M
20.00 mi12:31:262:22:437:089:50
7:14
#7300
21M
21.00 mi12:38:302:29:477:087:04
7:04
#6929
35K
21.75 mi12:43:392:34:567:075:09
6:53
#6778
23M
23.00 mi12:52:392:43:567:089:00
7:11
#6573
24M
24.00 mi12:59:422:50:597:077:03
7:03
#6459
40K
24.85 mi13:05:582:57:157:086:16
7:20
#6391
25.2M
25.20 mi13:08:412:59:587:082:43
7:53
#6346
Finish
26.22 mi13:16:073:07:247:097:26
7:18
#6326
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8595737273728443(Top 30%)7202(Top 45%)7202(Top 128%)
10K6.21 mi3.10 mi8666-717397-257397-258768(Top 31%)7453(Top 46%)7453(Top 132%)
15K9.32 mi3.11 mi8554+1127320+777320+778443(Top 30%)7202(Top 45%)7202(Top 128%)
20K12.43 mi3.11 mi8313+2417144+1767144+1767845(Top 28%)6768(Top 42%)6768(Top 120%)
Half13.11 mi0.68 mi8318-57143+17143+18460(Top 30%)7143(Top 44%)7143(Top 127%)
25K15.53 mi2.42 mi8025+2936941+2026941+2026785(Top 24%)5962(Top 37%)5962(Top 106%)
30K18.64 mi3.11 mi7530+4956586+3556586+3555899(Top 21%)5237(Top 33%)5237(Top 93%)
20M20.00 mi1.36 mi7300+2306390+1966390+1965396(Top 19%)4771(Top 30%)4771(Top 85%)
21M21.00 mi1.00 mi6929+3716109+2816109+2812541(Top 9%)2367(Top 15%)2367(Top 42%)
35K21.75 mi0.75 mi6778+1515980+1295980+1294612(Top 16%)4090(Top 25%)4090(Top 72%)
23M23.00 mi1.25 mi6573+2055795+1855795+1854790(Top 17%)4166(Top 26%)4166(Top 74%)
24M24.00 mi1.00 mi6459+1145701+945701+944900(Top 17%)4188(Top 26%)4188(Top 74%)
40K24.85 mi0.85 mi6391+685624+775624+775779(Top 20%)4712(Top 29%)4712(Top 84%)
25.2M25.20 mi0.35 mi6346+455579+455579+455245(Top 18%)4266(Top 26%)4266(Top 76%)
Finish26.22 mi1.02 mi6326+205546+335546+337698(Top 27%)5727(Top 36%)5727(Top 102%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8443

Males

7202

M18-39

7202

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8768

Males

7453

M18-39

7453

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8443

Males

7202

M18-39

7202

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7845

Males

6768

M18-39

6768

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8460

Males

7143

M18-39

7143

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6785

Males

5962

M18-39

5962

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5899

Males

5237

M18-39

5237

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5396

Males

4771

M18-39

4771

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2541

Males

2367

M18-39

2367

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4612

Males

4090

M18-39

4090

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4790

Males

4166

M18-39

4166

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4900

Males

4188

M18-39

4188

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5779

Males

4712

M18-39

4712

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5245

Males

4266

M18-39

4266

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7698

Males

5727

M18-39

5727

Passing Analysis

Category:
Athletes Passed
2836
Passed By
567
Net Change
+2269
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8595
5K → 10K173244-71#8595#8666
10K → 15K218106+112#8666#8554
15K → 20K28645+241#8554#8313
20K → Half2732-5#8313#8318
Half → 25K30512+293#8318#8025
25K → 30K50914+495#8025#7530
30K → 20M2355+230#7530#7300
20M → 21M3721+371#7300#6929
21M → 35K1532+151#6929#6778
35K → 23M21611+205#6778#6573
23M → 24M12814+114#6573#6459
24M → 40K9325+68#6459#6391
40K → 25.2M527+45#6391#6346
25.2M → Finish6949+20#6346#6326
TOTALS2836567+2269
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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