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BOSTON MARATHON 2026

Jonathan Cronan

Bib: 5323β€’M

LA

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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
19:52
3.11 mi
Rank: #3390
Start β†’ 5K
19:52 | 6:24/mi
10K
39:25
6.21 mi
Rank: #3046 (+344)
5K β†’ 10K
19:33 | 6:18/mi
15K
58:31
9.32 mi
Rank: #2631 (+415)
10K β†’ 15K
19:06 | 6:09/mi
20K
1:17:59
12.43 mi
Rank: #2533 (+98)
15K β†’ 20K
19:28 | 6:16/mi
HALF
1:22:22
13.11 mi
Rank: #2595 (-62)
20K β†’ HALF
4:23 | 6:26/mi
25K
1:37:50
15.53 mi
Rank: #2599 (-4)
HALF β†’ 25K
15:28 | 6:23/mi
30K
1:57:55
18.64 mi
Rank: #2544 (+55)
25K β†’ 30K
20:05 | 6:28/mi
20M
2:06:49
20.00 mi
Rank: #2533 (+11)
30K β†’ 20M
8:54 | 6:34/mi
21M
2:13:28
21.00 mi
Rank: #2478 (+55)
20M β†’ 21M
6:39 | 6:39/mi
35K
2:18:03
21.75 mi
Rank: #2425 (+53)
21M β†’ 35K
4:35 | 6:08/mi
23M
2:26:17
23.00 mi
Rank: #2419 (+6)
35K β†’ 23M
8:14 | 6:35/mi
24M
2:32:35
24.00 mi
Rank: #2369 (+50)
23M β†’ 24M
6:18 | 6:18/mi
40K
2:38:07
24.85 mi
Rank: #2348 (+21)
24M β†’ 40K
5:32 | 6:29/mi
25.2M
2:40:35
25.20 mi
Rank: #2349 (-1)
40K β†’ 25.2M
2:28 | 7:10/mi
FINISH
2:46:50
26.22 mi
Rank: #2314 (+35)
25.2M β†’ FINISH
6:15 | 6:08/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:22:22
Pace6:17 /mi
2nd Half
Distance13.11 mi
Time1:24:28
Pace6:27 /mi
πŸ“ŠPositive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4519:526:2419:52
6:24
-
10K
6.21 mi10:43:1839:256:2119:33
6:18
-0:06
15K
9.32 mi11:02:2458:316:1719:06
6:09
-0:09
20K
12.43 mi11:21:521:17:596:1719:28
6:16
+0:07
HALF
13.11 mi11:26:151:22:226:174:23
6:26
+0:10
25K
15.53 mi11:41:431:37:506:1815:28
6:23
-0:03
30K
18.64 mi12:01:481:57:556:2020:05
6:28
+0:05
20M
20.00 mi12:10:422:06:496:218:54
6:34
+0:06
21M
21.00 mi12:17:212:13:286:226:39
6:39
+0:05
35K
21.75 mi12:21:562:18:036:214:35
6:08
-0:31
23M
23.00 mi12:30:102:26:176:228:14
6:35
+0:27
24M
24.00 mi12:36:282:32:356:226:18
6:18
-0:17
40K
24.85 mi12:42:002:38:076:225:32
6:29
+0:11
25.2M
25.20 mi12:44:282:40:356:232:28
7:10
+0:41
FINISH
26.22 mi12:50:432:46:506:236:15
6:08
-1:02

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

6:08 /mi

Average Pace

6:22 /mi

Slowest Pace

7:10 /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

2:44:22

99% of race

Time at Steady Pace

2:28

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 mi10:23:4519:526:2419:52
6:24
#3390
10K
6.21 mi10:43:1839:256:2119:33
6:18
#3046
15K
9.32 mi11:02:2458:316:1719:06
6:09
#2631
20K
12.43 mi11:21:521:17:596:1719:28
6:16
#2533
HALF
13.11 mi11:26:151:22:226:174:23
6:26
#2595
25K
15.53 mi11:41:431:37:506:1815:28
6:23
#2599
30K
18.64 mi12:01:481:57:556:2020:05
6:28
#2544
20M
20.00 mi12:10:422:06:496:218:54
6:34
#2533
21M
21.00 mi12:17:212:13:286:226:39
6:39
#2478
35K
21.75 mi12:21:562:18:036:214:35
6:08
#2425
23M
23.00 mi12:30:102:26:176:228:14
6:35
#2419
24M
24.00 mi12:36:282:32:356:226:18
6:18
#2369
40K
24.85 mi12:42:002:38:076:225:32
6:29
#2348
25.2M
25.20 mi12:44:282:40:356:232:28
7:10
#2349
FINISH
26.22 mi12:50:432:46:506:236:15
6:08
#2314
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 mi3390322732272040(Top 7%)1965(Top 12%)1965(Top 34%)
10K6.21 mi3.10 mi3046+3442922+3052922+3052766(Top 10%)2664(Top 16%)2664(Top 47%)
15K9.32 mi3.11 mi2631+4152531+3912531+3912040(Top 7%)1965(Top 12%)1965(Top 34%)
20K12.43 mi3.11 mi2533+982443+882443+882364(Top 8%)2276(Top 14%)2276(Top 40%)
HALF13.11 mi0.68 mi2595-622501-582501-583846(Top 13%)3644(Top 22%)3644(Top 64%)
25K15.53 mi2.42 mi2599-42505-42505-42745(Top 9%)2635(Top 16%)2635(Top 46%)
30K18.64 mi3.11 mi2544+552446+592446+592384(Top 8%)2284(Top 14%)2284(Top 40%)
20M20.00 mi1.36 mi2533+112433+132433+132670(Top 9%)2522(Top 15%)2522(Top 44%)
21M21.00 mi1.00 mi2478+552381+522381+521826(Top 6%)1750(Top 11%)1750(Top 31%)
35K21.75 mi0.75 mi2425+532330+512330+511714(Top 6%)1636(Top 10%)1636(Top 29%)
23M23.00 mi1.25 mi2419+62323+72323+72776(Top 10%)2581(Top 16%)2581(Top 45%)
24M24.00 mi1.00 mi2369+502273+502273+502190(Top 8%)2053(Top 13%)2053(Top 36%)
40K24.85 mi0.85 mi2348+212253+202253+202424(Top 8%)2233(Top 14%)2233(Top 39%)
25.2M25.20 mi0.35 mi2349-12254-12254-13277(Top 11%)2902(Top 18%)2902(Top 51%)
FINISH26.22 mi1.02 mi2314+352219+352219+352185(Top 8%)2009(Top 12%)2009(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
Γ—21
+97ft-345ft

Overall

2040

Males

1965

M18-39

1965

5K→10K

3.1 - 6.2 mi

Top 10%
Γ—5
+79ft-138ft

Overall

2766

Males

2664

M18-39

2664

10K→15K

6.2 - 9.3 mi

Top 7%
Γ—3
+67ft-78ft

Overall

2040

Males

1965

M18-39

1965

15K→20K

9.3 - 12.4 mi

Top 8%
Γ—5
+106ft-86ft

Overall

2364

Males

2276

M18-39

2276

20K→HALF

12.4 - 13.1 mi

Top 13%
Γ—2
+19ft-37ft

Overall

3846

Males

3644

M18-39

3644

HALF→25K

13.1 - 15.5 mi

Top 9%
Γ—4
+66ft-88ft

Overall

2745

Males

2635

M18-39

2635

25K→30K

15.5 - 18.6 mi

Top 8%
Γ—9
+181ft-148ft

Overall

2384

Males

2284

M18-39

2284

30K→20M

18.6 - 20.0 mi

Top 9%
Γ—5
+64ft-50ft

Overall

2670

Males

2522

M18-39

2522

20M→21M

20.0 - 21.0 mi

Top 6%
Γ—8
+106ft-24ft

Overall

1826

Males

1750

M18-39

1750

21M→35K

21.0 - 21.8 mi

Top 6%
Γ—7
+17ft-86ft

Overall

1714

Males

1636

M18-39

1636

35K→23M

21.8 - 23.0 mi

Top 10%
Γ—5
+23ft-63ft

Overall

2776

Males

2581

M18-39

2581

23M→24M

23.0 - 24.0 mi

Top 8%
Γ—6
+12ft-82ft

Overall

2190

Males

2053

M18-39

2053

24M→40K

24.0 - 24.9 mi

Top 8%
Γ—1
+6ft-20ft

Overall

2424

Males

2233

M18-39

2233

40K→25.2M

24.9 - 25.2 mi

Top 11%
Γ—1
+13ft-16ft

Overall

3277

Males

2902

M18-39

2902

25.2M→FINISH

25.2 - 26.2 mi

Top 8%
Γ—2
+22ft-21ft

Overall

2185

Males

2009

M18-39

2009

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing