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BOSTON MARATHON 2026

Dominic Lafontaine

Bib: 3752β€’M

QC

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 8%
Gender (Male)
#0 / 16340
Top 14%
Age Group (M18-39)
#0 / 5723
Top 33%
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
19:50
3.11 mi
Rank: #3307
Start β†’ 5K
19:50 | 6:24/mi
10K
39:35
6.21 mi
Rank: #3246 (+61)
5K β†’ 10K
19:45 | 6:22/mi
15K
59:09
9.32 mi
Rank: #3097 (+149)
10K β†’ 15K
19:34 | 6:18/mi
20K
1:18:45
12.43 mi
Rank: #2940
15K β†’ 20K
19:36 | 6:19/mi
HALF
1:22:58
13.11 mi
Rank: #2917
20K β†’ HALF
4:13 | 6:12/mi
25K
1:38:17
15.53 mi
Rank: #2787
HALF β†’ 25K
15:19 | 6:19/mi
30K
1:58:17
18.64 mi
Rank: #2650
25K β†’ 30K
20:00 | 6:27/mi
20M
2:07:03
20.00 mi
Rank: #2588
30K β†’ 20M
8:46 | 6:28/mi
21M
2:13:39
21.00 mi
Rank: #2525
20M β†’ 21M
6:36 | 6:36/mi
35K
2:18:12
21.75 mi
Rank: #2466
21M β†’ 35K
4:33 | 6:05/mi
23M
2:26:01
23.00 mi
Rank: #2346
35K β†’ 23M
7:49 | 6:15/mi
24M
2:32:22
24.00 mi
Rank: #2318
23M β†’ 24M
6:21 | 6:21/mi
40K
2:37:56
24.85 mi
Rank: #2313
24M β†’ 40K
5:34 | 6:31/mi
25.2M
2:40:23
25.20 mi
Rank: #2314
40K β†’ 25.2M
2:27 | 7:07/mi
FINISH
2:46:57
26.22 mi
Rank: #2337
25.2M β†’ FINISH
6:34 | 6:27/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:22:58
Pace6:20 /mi
2nd Half
Distance13.11 mi
Time1:23:59
Pace6:25 /mi
πŸ“ŠPositive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3719:506:2419:50
6:24
-
10K
6.21 mi10:41:2239:356:2319:45
6:22
-0:02
15K
9.32 mi11:00:5659:096:2119:34
6:18
-0:04
20K
12.43 mi11:20:321:18:456:2119:36
6:19
+0:01
HALF
13.11 mi11:24:451:22:586:204:13
6:12
-0:07
25K
15.53 mi11:40:041:38:176:2015:19
6:19
+0:07
30K
18.64 mi12:00:041:58:176:2120:00
6:27
+0:08
20M
20.00 mi12:08:502:07:036:228:46
6:28
+0:01
21M
21.00 mi12:15:262:13:396:226:36
6:36
+0:08
35K
21.75 mi12:19:592:18:126:224:33
6:05
-0:31
23M
23.00 mi12:27:482:26:016:217:49
6:15
+0:10
24M
24.00 mi12:34:092:32:226:216:21
6:21
+0:06
40K
24.85 mi12:39:432:37:566:225:34
6:31
+0:10
25.2M
25.20 mi12:42:102:40:236:222:27
7:07
+0:36
FINISH
26.22 mi12:48:442:46:576:236:34
6:27
-0:40

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

6:05 /mi

Average Pace

6:22 /mi

Slowest Pace

7:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:44:30

99% of race

Time at Steady Pace

2:27

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:21:3719:506:2419:50
6:24
#3307
10K
6.21 mi10:41:2239:356:2319:45
6:22
#3246
15K
9.32 mi11:00:5659:096:2119:34
6:18
#3097
20K
12.43 mi11:20:321:18:456:2119:36
6:19
#2940
HALF
13.11 mi11:24:451:22:586:204:13
6:12
#2917
25K
15.53 mi11:40:041:38:176:2015:19
6:19
#2787
30K
18.64 mi12:00:041:58:176:2120:00
6:27
#2650
20M
20.00 mi12:08:502:07:036:228:46
6:28
#2588
21M
21.00 mi12:15:262:13:396:226:36
6:36
#2525
35K
21.75 mi12:19:592:18:126:224:33
6:05
#2466
23M
23.00 mi12:27:482:26:016:217:49
6:15
#2346
24M
24.00 mi12:34:092:32:226:216:21
6:21
#2318
40K
24.85 mi12:39:432:37:566:225:34
6:31
#2313
25.2M
25.20 mi12:42:102:40:236:222:27
7:07
#2314
FINISH
26.22 mi12:48:442:46:576:236:34
6:27
#2337
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3307315631562845(Top 10%)2728(Top 17%)2728(Top 48%)
10K6.21 mi3.10 mi3246+613107+493107+493232(Top 11%)3094(Top 19%)3094(Top 54%)
15K9.32 mi3.11 mi3097+1492969+1382969+1382845(Top 10%)2728(Top 17%)2728(Top 48%)
20K12.43 mi3.11 mi2940+1572821+1482821+1482615(Top 9%)2515(Top 15%)2515(Top 44%)
HALF13.11 mi0.68 mi2917+232801+202801+202382(Top 8%)2293(Top 14%)2293(Top 40%)
25K15.53 mi2.42 mi2787+1302681+1202681+1202407(Top 8%)2318(Top 14%)2318(Top 41%)
30K18.64 mi3.11 mi2650+1372547+1342547+1342264(Top 8%)2169(Top 13%)2169(Top 38%)
20M20.00 mi1.36 mi2588+622486+612486+612188(Top 8%)2086(Top 13%)2086(Top 36%)
21M21.00 mi1.00 mi2525+632428+582428+581635(Top 6%)1567(Top 10%)1567(Top 27%)
35K21.75 mi0.75 mi2466+592370+582370+581543(Top 5%)1477(Top 9%)1477(Top 26%)
23M23.00 mi1.25 mi2346+1202255+1152255+1151371(Top 5%)1313(Top 8%)1313(Top 23%)
24M24.00 mi1.00 mi2318+282226+292226+292409(Top 8%)2241(Top 14%)2241(Top 39%)
40K24.85 mi0.85 mi2313+52218+82218+82579(Top 9%)2371(Top 15%)2371(Top 41%)
25.2M25.20 mi0.35 mi2314-12219-12219-13050(Top 11%)2720(Top 17%)2720(Top 48%)
FINISH26.22 mi1.02 mi2337-232240-212240-213789(Top 13%)3300(Top 20%)3300(Top 58%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
Γ—21
+97ft-345ft

Overall

2845

Males

2728

M18-39

2728

5K→10K

3.1 - 6.2 mi

Top 11%
Γ—5
+79ft-138ft

Overall

3232

Males

3094

M18-39

3094

10K→15K

6.2 - 9.3 mi

Top 10%
Γ—3
+67ft-78ft

Overall

2845

Males

2728

M18-39

2728

15K→20K

9.3 - 12.4 mi

Top 9%
Γ—5
+106ft-86ft

Overall

2615

Males

2515

M18-39

2515

20K→HALF

12.4 - 13.1 mi

Top 8%
Γ—2
+19ft-37ft

Overall

2382

Males

2293

M18-39

2293

HALF→25K

13.1 - 15.5 mi

Top 8%
Γ—4
+66ft-88ft

Overall

2407

Males

2318

M18-39

2318

25K→30K

15.5 - 18.6 mi

Top 8%
Γ—9
+181ft-148ft

Overall

2264

Males

2169

M18-39

2169

30K→20M

18.6 - 20.0 mi

Top 8%
Γ—5
+64ft-50ft

Overall

2188

Males

2086

M18-39

2086

20M→21M

20.0 - 21.0 mi

Top 6%
Γ—8
+106ft-24ft

Overall

1635

Males

1567

M18-39

1567

21M→35K

21.0 - 21.8 mi

Top 5%
Γ—7
+17ft-86ft

Overall

1543

Males

1477

M18-39

1477

35K→23M

21.8 - 23.0 mi

Top 5%
Γ—5
+23ft-63ft

Overall

1371

Males

1313

M18-39

1313

23M→24M

23.0 - 24.0 mi

Top 8%
Γ—6
+12ft-82ft

Overall

2409

Males

2241

M18-39

2241

24M→40K

24.0 - 24.9 mi

Top 9%
Γ—1
+6ft-20ft

Overall

2579

Males

2371

M18-39

2371

40K→25.2M

24.9 - 25.2 mi

Top 11%
Γ—1
+13ft-16ft

Overall

3050

Males

2720

M18-39

2720

25.2M→FINISH

25.2 - 26.2 mi

Top 13%
Γ—2
+22ft-21ft

Overall

3789

Males

3300

M18-39

3300

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 2 hours ago. This usually takes 10-20 minutes. Please check back shortly.

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing