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BOSTON MARATHON 2025

Christopher Burns

Bib: 25875•M

MA

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
11:41/mi
36:17
↑ 97↓ 3451.5%
10K· 6.21 mi
12:37/mi
1:15:29
↑ 79↓ 1380.4%
15K· 9.32 mi
12:15/mi
1:53:32
↑ 67↓ 78
20K· 12.43 mi
12:59/mi
2:33:53
↑ 106↓ 860.1%
Half· 13.11 mi
12:44/mi
2:42:34
↑ 19↓ 370.5%
25K· 15.53 mi
13:57/mi
3:16:24
↑ 66↓ 880.2%
30K· 18.64 mi
14:47/mi
4:02:20
↑ 181↓ 1480.2%
20M
15:43/mi
4:23:42
↑ 64↓ 500.2%
21M
15:54/mi
4:39:36
↑ 106↓ 241.6%
35K· 21.75 mi
14:56/mi
4:50:46
↑ 17↓ 861.7%
23M
14:59/mi
5:09:31
↑ 23↓ 630.6%
24M
14:37/mi
5:24:08
↓ 821.3%
40K· 24.85 mi
15:05/mi
5:37:02
↓ 200.3%
25.2M
16:58/mi
5:42:53
↑ 13↓ 160.2%
Finish· 26.22 mi
15:09/mi
5:58:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:42:34
Pace12:24 /mi
2nd Half
Distance13.11 mi
Time3:15:45
Pace14:56 /mi
📊Positive Split: 20.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2036:1711:4136:17
11:41
-
10K
6.21 mi12:30:321:15:2912:0939:12
12:37
+0:56
15K
9.32 mi13:08:351:53:3212:1138:03
12:15
-0:22
20K
12.43 mi13:48:562:33:5312:2340:21
12:59
+0:44
Half
13.11 mi13:57:372:42:3412:248:41
12:44
-0:15
25K
15.53 mi14:31:273:16:2412:3933:50
13:57
+1:13
30K
18.64 mi15:17:234:02:2013:0045:56
14:47
+0:50
20M
20.00 mi15:38:454:23:4213:1121:22
15:43
+0:56
21M
21.00 mi15:54:394:39:3613:1915:54
15:54
+0:11
35K
21.75 mi16:05:494:50:4613:2211:10
14:56
-0:58
23M
23.00 mi16:24:345:09:3113:2718:45
14:59
+0:03
24M
24.00 mi16:39:115:24:0813:3014:37
14:37
-0:22
40K
24.85 mi16:52:055:37:0213:3412:54
15:05
+0:28
25.2M
25.20 mi16:57:565:42:5313:365:51
16:58
+1:53
Finish
26.22 mi17:13:225:58:1913:4115:26
15:09
-1:49

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

11:41 /mi

Average Pace

13:41 /mi

Slowest Pace

16:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:24

55% of race

Time at Steady Pace

1:58:48

33% of race

Time at Slower Pace

43:07

12% of race

Average Pace: 13:40 /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 mi11:51:2036:1711:4136:17
11:41
#28122
10K
6.21 mi12:30:321:15:2912:0939:12
12:37
#28200
15K
9.32 mi13:08:351:53:3212:1138:03
12:15
#28088
20K
12.43 mi13:48:562:33:5312:2340:21
12:59
#28041
Half
13.11 mi13:57:372:42:3412:248:41
12:44
#28039
25K
15.53 mi14:31:273:16:2412:3933:50
13:57
#28038
30K
18.64 mi15:17:234:02:2013:0045:56
14:47
#28065
20M
20.00 mi15:38:454:23:4213:1121:22
15:43
#28108
21M
21.00 mi15:54:394:39:3613:1915:54
15:54
#28097
35K
21.75 mi16:05:494:50:4613:2211:10
14:56
#28115
23M
23.00 mi16:24:345:09:3113:2718:45
14:59
#28124
24M
24.00 mi16:39:115:24:0813:3014:37
14:37
#28128
40K
24.85 mi16:52:055:37:0213:3412:54
15:05
#28129
25.2M
25.20 mi16:57:565:42:5313:365:51
16:58
#28139
Finish
26.22 mi17:13:225:58:1913:4115:26
15:09
#28165
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi28122160081600827786(Top 98%)15864(Top 99%)15864(Top 281%)
10K6.21 mi3.10 mi28200-7816033-2516033-2528234(Top 99%)16040(Top 100%)16040(Top 284%)
15K9.32 mi3.11 mi28088+11215993+4015993+4027786(Top 98%)15864(Top 99%)15864(Top 281%)
20K12.43 mi3.11 mi28041+4715971+2215971+2227820(Top 98%)15868(Top 99%)15868(Top 281%)
Half13.11 mi0.68 mi28039+215967+415967+427878(Top 98%)15880(Top 99%)15880(Top 281%)
25K15.53 mi2.42 mi28038+115965+215965+227858(Top 98%)15864(Top 99%)15864(Top 281%)
30K18.64 mi3.11 mi28065-2715970-515970-527937(Top 98%)15844(Top 98%)15844(Top 281%)
20M20.00 mi1.36 mi28108-4315982-1215982-1228100(Top 99%)15926(Top 99%)15926(Top 282%)
21M21.00 mi1.00 mi28097+1115974+815974+827761(Top 98%)15758(Top 98%)15758(Top 279%)
35K21.75 mi0.75 mi28115-1815976-215976-228049(Top 99%)15883(Top 99%)15883(Top 282%)
23M23.00 mi1.25 mi28124-915975+115975+127906(Top 98%)15788(Top 98%)15788(Top 280%)
24M24.00 mi1.00 mi28128-415974+115974+127928(Top 98%)15787(Top 98%)15787(Top 280%)
40K24.85 mi0.85 mi28129-115971+315971+327805(Top 98%)15724(Top 98%)15724(Top 279%)
25.2M25.20 mi0.35 mi28139-1015977-615977-628057(Top 99%)15856(Top 98%)15856(Top 281%)
Finish26.22 mi1.02 mi28165-2615987-1015987-1028257(Top 99%)16007(Top 99%)16007(Top 284%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

27786

Males

15864

M18-39

15864

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

28234

Males

16040

M18-39

16040

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

27786

Males

15864

M18-39

15864

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

27820

Males

15868

M18-39

15868

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

27878

Males

15880

M18-39

15880

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

27858

Males

15864

M18-39

15864

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

27937

Males

15844

M18-39

15844

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

28100

Males

15926

M18-39

15926

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

27761

Males

15758

M18-39

15758

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

28049

Males

15883

M18-39

15883

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

27906

Males

15788

M18-39

15788

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

27928

Males

15787

M18-39

15787

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27805

Males

15724

M18-39

15724

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28057

Males

15856

M18-39

15856

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

28257

Males

16007

M18-39

16007

Passing Analysis

Category:
Athletes Passed
335
Passed By
378
Net Change
-43
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28122
5K → 10K22100-78#28122#28200
10K → 15K1153+112#28200#28088
15K → 20K6518+47#28088#28041
20K → Half119+2#28041#28039
Half → 25K4241+1#28039#28038
25K → 30K3158-27#28038#28065
30K → 20M346-43#28065#28108
20M → 21M143+11#28108#28097
21M → 35K826-18#28097#28115
35K → 23M817-9#28115#28124
23M → 24M913-4#28124#28128
24M → 40K67-1#28128#28129
40K → 25.2M111-10#28129#28139
25.2M → Finish026-26#28139#28165
TOTALS335378-43
📊

Passing Visuals

Category:
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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