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BOSTON MARATHON 2025

Christopher Sheaffer

Bib: 2170•M

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Masters (Masters Men)
#0 / 10463
Top 6%
Division (M40-44)
#0 / 2247
Top 19%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
19:17
Rank: #1906
Start → 5K
19:17 | 6:12/mi
10K· 6.21 mi
38:04
Rank: #1544 (+362)
5K → 10K
18:47 | 6:03/mi
15K· 9.32 mi
57:04
Rank: #1496 (+48)
10K → 15K
19:00 | 6:07/mi
20K· 12.43 mi
1:16:03
Rank: #1407 (+89)
15K → 20K
18:59 | 6:07/mi
Half· 13.11 mi
1:20:14
Rank: #1417 (-10)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:35:52
Rank: #1558 (-141)
Half → 25K
15:38 | 6:27/mi
30K· 18.64 mi
1:57:29
Rank: #1958 (-400)
25K → 30K
21:37 | 6:57/mi
20M
2:07:26
Rank: #2177 (-219)
30K → 20M
9:57 | 7:19/mi
21M
2:15:01
Rank: #2290 (-113)
20M → 21M
7:35 | 7:35/mi
35K· 21.75 mi
2:20:21
Rank: #2369 (-79)
21M → 35K
5:20 | 7:08/mi
23M
2:30:00
Rank: #2639 (-270)
35K → 23M
9:39 | 7:42/mi
24M
2:37:36
Rank: #2806 (-167)
23M → 24M
7:36 | 7:36/mi
40K· 24.85 mi
2:44:18
Rank: #2961 (-155)
24M → 40K
6:42 | 7:50/mi
25.2M
2:47:06
Rank: #2992 (-31)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
2:54:40
Rank: #3165 (-173)
25.2M → Finish
7:34 | 7:26/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:14
Pace6:07 /mi
2nd Half
Distance13.11 mi
Time1:34:26
Pace7:12 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4819:176:1219:17
6:12
-
10K
6.21 mi10:38:3538:046:0818:47
6:03
-0:09
15K
9.32 mi10:57:3557:046:0719:00
6:07
+0:04
20K
12.43 mi11:16:341:16:036:0718:59
6:07
0:00
Half
13.11 mi11:20:451:20:146:074:11
6:08
+0:01
25K
15.53 mi11:36:231:35:526:1015:38
6:27
+0:19
30K
18.64 mi11:58:001:57:296:1821:37
6:57
+0:30
20M
20.00 mi12:07:572:07:266:229:57
7:19
+0:22
21M
21.00 mi12:15:322:15:016:267:35
7:35
+0:16
35K
21.75 mi12:20:522:20:216:275:20
7:08
-0:27
23M
23.00 mi12:30:312:30:006:319:39
7:42
+0:34
24M
24.00 mi12:38:072:37:366:347:36
7:36
-0:06
40K
24.85 mi12:44:492:44:186:376:42
7:50
+0:14
25.2M
25.20 mi12:47:372:47:066:382:48
8:07
+0:17
Finish
26.22 mi12:55:112:54:406:407:34
7:26
-0:41

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

6:03 /mi

Average Pace

6:40 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:35:52

55% of race

Time at Steady Pace

44:28

25% of race

Time at Slower Pace

34:20

20% 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:19:4819:176:1219:17
6:12
#1906
10K
6.21 mi10:38:3538:046:0818:47
6:03
#1544
15K
9.32 mi10:57:3557:046:0719:00
6:07
#1496
20K
12.43 mi11:16:341:16:036:0718:59
6:07
#1407
Half
13.11 mi11:20:451:20:146:074:11
6:08
#1417
25K
15.53 mi11:36:231:35:526:1015:38
6:27
#1558
30K
18.64 mi11:58:001:57:296:1821:37
6:57
#1958
20M
20.00 mi12:07:572:07:266:229:57
7:19
#2177
21M
21.00 mi12:15:322:15:016:267:35
7:35
#2290
35K
21.75 mi12:20:522:20:216:275:20
7:08
#2369
23M
23.00 mi12:30:312:30:006:319:39
7:42
#2639
24M
24.00 mi12:38:072:37:366:347:36
7:36
#2806
40K
24.85 mi12:44:492:44:186:376:42
7:50
#2961
25.2M
25.20 mi12:47:372:47:066:382:48
8:07
#2992
Finish
26.22 mi12:55:112:54:406:407:34
7:26
#3165
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1906181218121465(Top 5%)1394(Top 9%)1394(Top 62%)
10K6.21 mi3.10 mi1544+3621468+3441468+3441263(Top 4%)1198(Top 7%)1198(Top 53%)
15K9.32 mi3.11 mi1496+481421+471421+471465(Top 5%)1394(Top 9%)1394(Top 62%)
20K12.43 mi3.11 mi1407+891335+861335+861211(Top 4%)1146(Top 7%)1146(Top 51%)
Half13.11 mi0.68 mi1417-101345-101345-101674(Top 6%)1593(Top 10%)1593(Top 71%)
25K15.53 mi2.42 mi1558-1411476-1311476-1312601(Top 9%)2475(Top 15%)2475(Top 110%)
30K18.64 mi3.11 mi1958-4001865-3891865-3894416(Top 16%)4039(Top 25%)4039(Top 180%)
20M20.00 mi1.36 mi2177-2192075-2102075-2105885(Top 21%)5108(Top 32%)5108(Top 227%)
21M21.00 mi1.00 mi2290-1132184-1092184-1094989(Top 18%)4356(Top 27%)4356(Top 194%)
35K21.75 mi0.75 mi2369-792258-742258-746088(Top 21%)5110(Top 32%)5110(Top 227%)
23M23.00 mi1.25 mi2639-2702508-2502508-2507902(Top 28%)6096(Top 38%)6096(Top 271%)
24M24.00 mi1.00 mi2806-1672659-1512659-1518359(Top 29%)6288(Top 39%)6288(Top 280%)
40K24.85 mi0.85 mi2961-1552798-1392798-1398957(Top 32%)6481(Top 40%)6481(Top 288%)
25.2M25.20 mi0.35 mi2992-312825-272825-276464(Top 23%)4993(Top 31%)4993(Top 222%)
Finish26.22 mi1.02 mi3165-1732977-1522977-1528625(Top 30%)6231(Top 39%)6231(Top 277%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1465

Males

1394

M40-44

1394

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1263

Males

1198

M40-44

1198

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1465

Males

1394

M40-44

1394

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1211

Males

1146

M40-44

1146

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1674

Males

1593

M40-44

1593

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2601

Males

2475

M40-44

2475

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4416

Males

4039

M40-44

4039

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5885

Males

5108

M40-44

5108

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4989

Males

4356

M40-44

4356

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

6088

Males

5110

M40-44

5110

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7902

Males

6096

M40-44

6096

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8359

Males

6288

M40-44

6288

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8957

Males

6481

M40-44

6481

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6464

Males

4993

M40-44

4993

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8625

Males

6231

M40-44

6231

Passing Analysis

Category:
Athletes Passed
671
Passed By
1930
Net Change
-1259
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1906
5K → 10K3697+362#1906#1544
10K → 15K7628+48#1544#1496
15K → 20K10314+89#1496#1407
20K → Half212-10#1407#1417
Half → 25K18159-141#1417#1558
25K → 30K13413-400#1558#1958
30K → 20M5224-219#1958#2177
20M → 21M21134-113#2177#2290
21M → 35K1190-79#2290#2369
35K → 23M10280-270#2369#2639
23M → 24M13180-167#2639#2806
24M → 40K11166-155#2806#2961
40K → 25.2M1041-31#2961#2992
25.2M → Finish9182-173#2992#3165
TOTALS6711930-1259
📊

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