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BOSTON MARATHON 2025

Christopher Smith

Bib: 6009•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Division (M18-39)
#0 / 5642
Top 40%
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
6:33/mi
20:22
↑ 97↓ 3451.5%
10K· 6.21 mi
6:30/mi
40:34
↑ 79↓ 1380.4%
15K· 9.32 mi
6:27/mi
1:00:35
↑ 67↓ 78
20K· 12.43 mi
6:28/mi
1:20:40
↑ 106↓ 860.1%
Half· 13.11 mi
6:27/mi
1:25:04
↑ 19↓ 370.5%
25K· 15.53 mi
6:26/mi
1:40:41
↑ 66↓ 880.2%
30K· 18.64 mi
6:38/mi
2:01:16
↑ 181↓ 1480.2%
20M
6:43/mi
2:10:24
↑ 64↓ 500.2%
21M
7:12/mi
2:17:36
↑ 106↓ 241.6%
35K· 21.75 mi
6:37/mi
2:22:33
↑ 17↓ 861.7%
23M
6:50/mi
2:31:06
↑ 23↓ 630.6%
24M
6:57/mi
2:38:03
↓ 821.3%
40K· 24.85 mi
7:13/mi
2:44:13
↓ 200.3%
25.2M
7:58/mi
2:46:58
↑ 13↓ 160.2%
Finish· 26.22 mi
7:02/mi
2:54:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:04
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:29:04
Pace6:48 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2820:226:3320:22
6:33
-
10K
6.21 mi10:45:4040:346:3220:12
6:30
-0:03
15K
9.32 mi11:05:411:00:356:3020:01
6:27
-0:03
20K
12.43 mi11:25:461:20:406:2920:05
6:28
+0:01
Half
13.11 mi11:30:101:25:046:294:24
6:27
-0:01
25K
15.53 mi11:45:471:40:416:2915:37
6:26
-0:01
30K
18.64 mi12:06:222:01:166:3020:35
6:38
+0:12
20M
20.00 mi12:15:302:10:246:319:08
6:43
+0:05
21M
21.00 mi12:22:422:17:366:337:12
7:12
+0:29
35K
21.75 mi12:27:392:22:336:334:57
6:37
-0:35
23M
23.00 mi12:36:122:31:066:348:33
6:50
+0:13
24M
24.00 mi12:43:092:38:036:356:57
6:57
+0:07
40K
24.85 mi12:49:192:44:136:366:10
7:13
+0:16
25.2M
25.20 mi12:52:042:46:586:382:45
7:58
+0:45
Finish
26.22 mi12:59:142:54:086:397:10
7:02
-0:56

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

6:26 /mi

Average Pace

6:39 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:23:54

83% of race

Time at Slower Pace

30:14

17% of race

Average Pace: 6:38 /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 mi10:25:2820:226:3320:22
6:33
#4231
10K
6.21 mi10:45:4040:346:3220:12
6:30
#3972
15K
9.32 mi11:05:411:00:356:3020:01
6:27
#3692
20K
12.43 mi11:25:461:20:406:2920:05
6:28
#3430
Half
13.11 mi11:30:101:25:046:294:24
6:27
#3424
25K
15.53 mi11:45:471:40:416:2915:37
6:26
#3261
30K
18.64 mi12:06:222:01:166:3020:35
6:38
#3081
20M
20.00 mi12:15:302:10:246:319:08
6:43
#2990
21M
21.00 mi12:22:422:17:366:337:12
7:12
#2970
35K
21.75 mi12:27:392:22:336:334:57
6:37
#2925
23M
23.00 mi12:36:122:31:066:348:33
6:50
#2885
24M
24.00 mi12:43:092:38:036:356:57
6:57
#2910
40K
24.85 mi12:49:192:44:136:366:10
7:13
#2937
25.2M
25.20 mi12:52:042:46:586:382:45
7:58
#2961
Finish
26.22 mi12:59:142:54:086:397:10
7:02
#3024
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4231398039803188(Top 11%)3034(Top 19%)3034(Top 54%)
10K6.21 mi3.10 mi3972+2593756+2243756+2243724(Top 13%)3513(Top 22%)3513(Top 62%)
15K9.32 mi3.11 mi3692+2803491+2653491+2653188(Top 11%)3034(Top 19%)3034(Top 54%)
20K12.43 mi3.11 mi3430+2623252+2393252+2392898(Top 10%)2760(Top 17%)2760(Top 49%)
Half13.11 mi0.68 mi3424+63247+53247+53338(Top 12%)3164(Top 20%)3164(Top 56%)
25K15.53 mi2.42 mi3261+1633105+1423105+1422560(Top 9%)2435(Top 15%)2435(Top 43%)
30K18.64 mi3.11 mi3081+1802931+1742931+1742516(Top 9%)2382(Top 15%)2382(Top 42%)
20M20.00 mi1.36 mi2990+912843+882843+882546(Top 9%)2394(Top 15%)2394(Top 42%)
21M21.00 mi1.00 mi2970+202818+252818+253108(Top 11%)2865(Top 18%)2865(Top 51%)
35K21.75 mi0.75 mi2925+452771+472771+473022(Top 11%)2777(Top 17%)2777(Top 49%)
23M23.00 mi1.25 mi2885+402734+372734+372836(Top 10%)2598(Top 16%)2598(Top 46%)
24M24.00 mi1.00 mi2910-252752-182752-184324(Top 15%)3776(Top 23%)3776(Top 67%)
40K24.85 mi0.85 mi2937-272777-252777-255079(Top 18%)4250(Top 26%)4250(Top 75%)
25.2M25.20 mi0.35 mi2961-242797-202797-205712(Top 20%)4537(Top 28%)4537(Top 80%)
Finish26.22 mi1.02 mi3024-632851-542851-545895(Top 21%)4653(Top 29%)4653(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

3188

Males

3034

M18-39

3034

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3724

Males

3513

M18-39

3513

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

3188

Males

3034

M18-39

3034

15K→20K

9.3 - 12.4 mi

Top 10%
×5story building
+106ft-86ft

Overall

2898

Males

2760

M18-39

2760

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3338

Males

3164

M18-39

3164

Half→25K

13.1 - 15.5 mi

Top 9%
×4story building
+66ft-88ft

Overall

2560

Males

2435

M18-39

2435

25K→30K

15.5 - 18.6 mi

Top 9%
×9story building
+181ft-148ft

Overall

2516

Males

2382

M18-39

2382

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2546

Males

2394

M18-39

2394

20M→21M

20.0 - 21.0 mi

Top 11%
×8story building
+106ft-24ft

Overall

3108

Males

2865

M18-39

2865

21M→35K

21.0 - 21.8 mi

Top 11%
×7story building
+17ft-86ft

Overall

3022

Males

2777

M18-39

2777

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2836

Males

2598

M18-39

2598

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4324

Males

3776

M18-39

3776

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5079

Males

4250

M18-39

4250

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5712

Males

4537

M18-39

4537

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5895

Males

4653

M18-39

4653

Passing Analysis

Category:
Athletes Passed
1656
Passed By
449
Net Change
+1207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4231
5K → 10K31859+259#4231#3972
10K → 15K29111+280#3972#3692
15K → 20K2708+262#3692#3430
20K → Half1913+6#3430#3424
Half → 25K17310+163#3424#3261
25K → 30K20727+180#3261#3081
30K → 20M10312+91#3081#2990
20M → 21M5232+20#2990#2970
21M → 35K5611+45#2970#2925
35K → 23M7131+40#2925#2885
23M → 24M3358-25#2885#2910
24M → 40K3259-27#2910#2937
40K → 25.2M1034-24#2937#2961
25.2M → Finish2184-63#2961#3024
TOTALS1656449+1207
📊

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