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BOSTON MARATHON 2025

Colin Cianciolo

Bib: 1477•M

TX

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0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Division (M18-39)
#0 / 5642
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:45
Rank: #2795
Start → 5K
6:21/mi
19:45 split
10K· 6.21 mi
39:24
Rank: #2677 (+118)
5K → 10K
6:19/mi
19:39 split
15K· 9.32 mi
58:49
Rank: #2455 (+222)
10K → 15K
6:15/mi
19:25 split
20K· 12.43 mi
1:18:35
Rank: #2387 (+68)
15K → 20K
6:22/mi
19:46 split
Half· 13.11 mi
1:22:51
Rank: #2372 (+15)
20K → Half
6:15/mi
4:16 split
25K· 15.53 mi
1:38:22
Rank: #2360 (+12)
Half → 25K
6:24/mi
15:31 split
30K· 18.64 mi
1:59:22
Rank: #2467 (-107)
25K → 30K
6:46/mi
21:00 split
20M
2:09:01
Rank: #2580 (-113)
30K → 20M
7:06/mi
9:39 split
21M
2:16:32
Rank: #2683 (-103)
20M → 21M
7:31/mi
7:31 split
35K· 21.75 mi
2:21:40
Rank: #2718 (-35)
21M → 35K
6:52/mi
5:08 split
23M
2:31:03
Rank: #2871 (-153)
35K → 23M
7:30/mi
9:23 split
24M
2:38:19
Rank: #2971 (-100)
23M → 24M
7:16/mi
7:16 split
40K· 24.85 mi
2:44:55
Rank: #3093 (-122)
24M → 40K
7:43/mi
6:36 split
25.2M
2:47:43
Rank: #3123 (-30)
40K → 25.2M
8:07/mi
2:48 split
Finish· 26.22 mi
2:54:35
Rank: #3140 (-17)
25.2M → Finish
6:44/mi
6:52 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:51
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:31:44
Pace7:00 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3019:456:2119:45
6:21
-
10K
6.21 mi10:40:0939:246:2019:39
6:19
-0:02
15K
9.32 mi10:59:3458:496:1919:25
6:15
-0:04
20K
12.43 mi11:19:201:18:356:1919:46
6:22
+0:07
Half
13.11 mi11:23:361:22:516:194:16
6:15
-0:07
25K
15.53 mi11:39:071:38:226:2015:31
6:24
+0:09
30K
18.64 mi12:00:071:59:226:2421:00
6:46
+0:22
20M
20.00 mi12:09:462:09:016:279:39
7:06
+0:20
21M
21.00 mi12:17:172:16:326:307:31
7:31
+0:25
35K
21.75 mi12:22:252:21:406:315:08
6:52
-0:39
23M
23.00 mi12:31:482:31:036:349:23
7:30
+0:38
24M
24.00 mi12:39:042:38:196:367:16
7:16
-0:14
40K
24.85 mi12:45:402:44:556:386:36
7:43
+0:27
25.2M
25.20 mi12:48:282:47:436:392:48
8:07
+0:24
Finish
26.22 mi12:55:202:54:356:406:52
6:44
-1:23

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

6:15 /mi

Average Pace

6:40 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:22

56% of race

Time at Steady Pace

33:00

19% of race

Time at Slower Pace

43:13

25% of race

Average Pace: 6:40 /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 mi10:20:3019:456:2119:45
6:21
#2795
10K
6.21 mi10:40:0939:246:2019:39
6:19
#2677
15K
9.32 mi10:59:3458:496:1919:25
6:15
#2455
20K
12.43 mi11:19:201:18:356:1919:46
6:22
#2387
Half
13.11 mi11:23:361:22:516:194:16
6:15
#2372
25K
15.53 mi11:39:071:38:226:2015:31
6:24
#2360
30K
18.64 mi12:00:071:59:226:2421:00
6:46
#2467
20M
20.00 mi12:09:462:09:016:279:39
7:06
#2580
21M
21.00 mi12:17:172:16:326:307:31
7:31
#2683
35K
21.75 mi12:22:252:21:406:315:08
6:52
#2718
23M
23.00 mi12:31:482:31:036:349:23
7:30
#2871
24M
24.00 mi12:39:042:38:196:367:16
7:16
#2971
40K
24.85 mi12:45:402:44:556:386:36
7:43
#3093
25.2M
25.20 mi12:48:282:47:436:392:48
8:07
#3123
Finish
26.22 mi12:55:202:54:356:406:52
6:44
#3140
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2795266026602097(Top 7%)2000(Top 12%)2000(Top 35%)
10K6.21 mi3.10 mi2677+1182548+1122548+1122563(Top 9%)2447(Top 15%)2447(Top 43%)
15K9.32 mi3.11 mi2455+2222343+2052343+2052097(Top 7%)2000(Top 12%)2000(Top 35%)
20K12.43 mi3.11 mi2387+682277+662277+662325(Top 8%)2218(Top 14%)2218(Top 39%)
Half13.11 mi0.68 mi2372+152262+152262+152250(Top 8%)2151(Top 13%)2151(Top 38%)
25K15.53 mi2.42 mi2360+122251+112251+112363(Top 8%)2248(Top 14%)2248(Top 40%)
30K18.64 mi3.11 mi2467-1072354-1032354-1033189(Top 11%)2987(Top 19%)2987(Top 53%)
20M20.00 mi1.36 mi2580-1132464-1102464-1104650(Top 16%)4209(Top 26%)4209(Top 75%)
21M21.00 mi1.00 mi2683-1032555-912555-914657(Top 16%)4114(Top 26%)4114(Top 73%)
35K21.75 mi0.75 mi2718-352586-312586-314437(Top 16%)3939(Top 24%)3939(Top 70%)
23M23.00 mi1.25 mi2871-1532722-1362722-1366557(Top 23%)5324(Top 33%)5324(Top 94%)
24M24.00 mi1.00 mi2971-1002810-882810-886183(Top 22%)5015(Top 31%)5015(Top 89%)
40K24.85 mi0.85 mi3093-1222919-1092919-1098152(Top 29%)6051(Top 38%)6051(Top 107%)
25.2M25.20 mi0.35 mi3123-302940-212940-216463(Top 23%)4992(Top 31%)4992(Top 88%)
Finish26.22 mi1.02 mi3140-172957-172957-174094(Top 14%)3497(Top 22%)3497(Top 62%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

2097

Males

2000

M18-39

2000

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2563

Males

2447

M18-39

2447

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

2097

Males

2000

M18-39

2000

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2325

Males

2218

M18-39

2218

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2250

Males

2151

M18-39

2151

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2363

Males

2248

M18-39

2248

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3189

Males

2987

M18-39

2987

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4650

Males

4209

M18-39

4209

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4657

Males

4114

M18-39

4114

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4437

Males

3939

M18-39

3939

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6557

Males

5324

M18-39

5324

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6183

Males

5015

M18-39

5015

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8152

Males

6051

M18-39

6051

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6463

Males

4992

M18-39

4992

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

4094

Males

3497

M18-39

3497

Passing Analysis

Category:
Athletes Passed
835
Passed By
1180
Net Change
-345
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2795
5K → 10K18466+118#2795#2677
10K → 15K23412+222#2677#2455
15K → 20K10840+68#2455#2387
20K → Half216+15#2387#2372
Half → 25K5644+12#2372#2360
25K → 30K58165-107#2360#2467
30K → 20M20133-113#2467#2580
20M → 21M28131-103#2580#2683
21M → 35K1853-35#2683#2718
35K → 23M22175-153#2718#2871
23M → 24M17117-100#2871#2971
24M → 40K16138-122#2971#3093
40K → 25.2M1444-30#3093#3123
25.2M → Finish3956-17#3123#3140
TOTALS8351180-345
📊

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