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BOSTON MARATHON 2025

Christopher Swain

Bib: 11662•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 42%
Masters (Masters Men)
#0 / 10463
Top 29%
Division (M55-59)
#0 / 1648
Top 11%
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
7:02/mi
21:50
↑ 97↓ 3451.5%
10K· 6.21 mi
6:47/mi
42:55
↑ 79↓ 1380.4%
15K· 9.32 mi
6:45/mi
1:03:52
↑ 67↓ 78
20K· 12.43 mi
6:46/mi
1:24:53
↑ 106↓ 860.1%
Half· 13.11 mi
6:55/mi
1:29:36
↑ 19↓ 370.5%
25K· 15.53 mi
7:00/mi
1:46:35
↑ 66↓ 880.2%
30K· 18.64 mi
7:41/mi
2:10:26
↑ 181↓ 1480.2%
20M
8:09/mi
2:21:30
↑ 64↓ 500.2%
21M
9:14/mi
2:30:44
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
2:36:42
↑ 17↓ 861.7%
23M
8:20/mi
2:47:08
↑ 23↓ 630.6%
24M
7:52/mi
2:55:00
↓ 821.3%
40K· 24.85 mi
8:15/mi
3:02:03
↓ 200.3%
25.2M
10:38/mi
3:05:43
↑ 13↓ 160.2%
Finish· 26.22 mi
7:55/mi
3:13:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:36
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:44:11
Pace7:57 /mi
📊Positive Split: 16.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1821:507:0221:50
7:02
-
10K
6.21 mi11:10:2342:556:5421:05
6:47
-0:15
15K
9.32 mi11:31:201:03:526:5120:57
6:45
-0:02
20K
12.43 mi11:52:211:24:536:5021:01
6:46
+0:01
Half
13.11 mi11:57:041:29:366:504:43
6:55
+0:09
25K
15.53 mi12:14:031:46:356:5216:59
7:00
+0:05
30K
18.64 mi12:37:542:10:267:0023:51
7:41
+0:41
20M
20.00 mi12:48:582:21:307:0411:04
8:09
+0:28
21M
21.00 mi12:58:122:30:447:119:14
9:14
+1:05
35K
21.75 mi13:04:102:36:427:125:58
7:59
-1:15
23M
23.00 mi13:14:362:47:087:1610:26
8:20
+0:21
24M
24.00 mi13:22:282:55:007:187:52
7:52
-0:28
40K
24.85 mi13:29:313:02:037:197:03
8:15
+0:23
25.2M
25.20 mi13:33:113:05:437:223:40
10:38
+2:23
Finish
26.22 mi13:41:153:13:477:248:04
7:55
-2:43

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

6:45 /mi

Average Pace

7:24 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:35

55% of race

Time at Steady Pace

1:14:18

38% of race

Time at Slower Pace

12:54

7% of race

Average Pace: 7:23 /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 mi10:49:1821:507:0221:50
7:02
#8029
10K
6.21 mi11:10:2342:556:5421:05
6:47
#7198
15K
9.32 mi11:31:201:03:526:5120:57
6:45
#6693
20K
12.43 mi11:52:211:24:536:5021:01
6:46
#6229
Half
13.11 mi11:57:041:29:366:504:43
6:55
#6275
25K
15.53 mi12:14:031:46:356:5216:59
7:00
#6267
30K
18.64 mi12:37:542:10:267:0023:51
7:41
#6642
20M
20.00 mi12:48:582:21:307:0411:04
8:09
#6871
21M
21.00 mi12:58:122:30:447:119:14
9:14
#7248
35K
21.75 mi13:04:102:36:427:125:58
7:59
#7353
23M
23.00 mi13:14:362:47:087:1610:26
8:20
#7584
24M
24.00 mi13:22:282:55:007:187:52
7:52
#7656
40K
24.85 mi13:29:313:02:037:197:03
8:15
#7770
25.2M
25.20 mi13:33:113:05:437:223:40
10:38
#8007
Finish
26.22 mi13:41:153:13:477:248:04
7:55
#8145
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi8029701670165514(Top 19%)5060(Top 31%)5060(Top 307%)
10K6.21 mi3.10 mi7198+8316445+5716445+5716252(Top 22%)5689(Top 35%)5689(Top 345%)
15K9.32 mi3.11 mi6693+5056042+4036042+4035514(Top 19%)5060(Top 31%)5060(Top 307%)
20K12.43 mi3.11 mi6229+4645665+3775665+3774965(Top 17%)4589(Top 28%)4589(Top 278%)
Half13.11 mi0.68 mi6275-465695-305695-307001(Top 25%)6221(Top 39%)6221(Top 377%)
25K15.53 mi2.42 mi6267+85672+235672+236367(Top 22%)5669(Top 35%)5669(Top 344%)
30K18.64 mi3.11 mi6642-3755940-2685940-2689017(Top 32%)7143(Top 44%)7143(Top 433%)
20M20.00 mi1.36 mi6871-2296088-1486088-14811392(Top 40%)8221(Top 51%)8221(Top 499%)
21M21.00 mi1.00 mi7248-3776323-2356323-23514761(Top 52%)9676(Top 60%)9676(Top 587%)
35K21.75 mi0.75 mi7353-1056368-456368-4512054(Top 42%)8334(Top 52%)8334(Top 506%)
23M23.00 mi1.25 mi7584-2316474-1066474-10612213(Top 43%)8321(Top 52%)8321(Top 505%)
24M24.00 mi1.00 mi7656-726489-156489-1510289(Top 36%)7309(Top 45%)7309(Top 444%)
40K24.85 mi0.85 mi7770-1146525-366525-3611796(Top 42%)7947(Top 49%)7947(Top 482%)
25.2M25.20 mi0.35 mi8007-2376664-1396664-13919397(Top 68%)11471(Top 71%)11471(Top 696%)
Finish26.22 mi1.02 mi8145-1386714-506714-5012253(Top 43%)8156(Top 51%)8156(Top 495%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

5514

Males

5060

M55-59

5060

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

6252

Males

5689

M55-59

5689

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

5514

Males

5060

M55-59

5060

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4965

Males

4589

M55-59

4589

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7001

Males

6221

M55-59

6221

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

6367

Males

5669

M55-59

5669

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9017

Males

7143

M55-59

7143

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11392

Males

8221

M55-59

8221

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14761

Males

9676

M55-59

9676

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

12054

Males

8334

M55-59

8334

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

12213

Males

8321

M55-59

8321

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10289

Males

7309

M55-59

7309

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11796

Males

7947

M55-59

7947

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19397

Males

11471

M55-59

11471

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12253

Males

8156

M55-59

8156

Passing Analysis

Category:
Athletes Passed
2312
Passed By
2428
Net Change
-116
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8029
5K → 10K84615+831#8029#7198
10K → 15K5116+505#7198#6693
15K → 20K4673+464#6693#6229
20K → Half1157-46#6229#6275
Half → 25K126118+8#6275#6267
25K → 30K90465-375#6267#6642
30K → 20M36265-229#6642#6871
20M → 21M25402-377#6871#7248
21M → 35K25130-105#7248#7353
35K → 23M41272-231#7353#7584
23M → 24M52124-72#7584#7656
24M → 40K42156-114#7656#7770
40K → 25.2M3240-237#7770#8007
25.2M → Finish37175-138#8007#8145
TOTALS23122428-116
📊

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