Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Jonah Kalsnes

Bib: 3711MAge: N/A

MN

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 5%
Gender (Male)
#0 / 16340
Top 8%
Age Group (M18-39)
#0 / 5723
Top 21%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Jonah

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 5:49/mi at mile 13.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
19:02
3.11 mi
Rank: #1711
Start5K
19:02 | 6:08/mi
10K
37:51
6.21 mi
Rank: #1648 (+63)
5K10K
18:49 | 6:04/mi
15K
56:14
9.32 mi
Rank: #1418 (+230)
10K15K
18:23 | 5:56/mi
20K
1:14:31
12.43 mi
Rank: #1234 (+184)
15K20K
18:17 | 5:54/mi
HALF
1:18:29
13.11 mi
Rank: #1207 (+27)
20KHALF
3:58 | 5:50/mi
25K
1:32:45
15.53 mi
Rank: #1101 (+106)
HALF25K
14:16 | 5:53/mi
30K
1:51:21
18.64 mi
Rank: #966 (+135)
25K30K
18:36 | 6:00/mi
20M
1:59:29
20.00 mi
Rank: #938 (+28)
30K20M
8:08 | 6:00/mi
21M
2:05:53
21.00 mi
Rank: #931 (+7)
20M21M
6:24 | 6:24/mi
35K
2:10:27
21.75 mi
Rank: #941 (-10)
21M35K
4:34 | 6:07/mi
23M
2:18:47
23.00 mi
Rank: #1011 (-70)
35K23M
8:20 | 6:40/mi
24M
2:25:28
24.00 mi
Rank: #1100 (-89)
23M24M
6:41 | 6:41/mi
40K
2:31:31
24.85 mi
Rank: #1209 (-109)
24M40K
6:03 | 7:05/mi
25.2M
2:34:17
25.20 mi
Rank: #1269 (-60)
40K25.2M
2:46 | 8:02/mi
FINISH
2:41:50
26.22 mi
Rank: #1437 (-168)
25.2MFINISH
7:33 | 7:25/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:18:29
Pace6:00 /mi
2nd Half
Distance13.11 mi
Time1:23:21
Pace6:22 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0319:026:0819:02
6:08
-
10K
6.21 mi10:40:5237:516:0618:49
6:04
-0:04
15K
9.32 mi10:59:1556:146:0218:23
5:56
-0:08
20K
12.43 mi11:17:321:14:316:0018:17
5:54
-0:02
HALF
13.11 mi11:21:301:18:296:003:58
5:50
-0:04
25K
15.53 mi11:35:461:32:455:5914:16
5:53
+0:03
30K
18.64 mi11:54:221:51:215:5918:36
6:00
+0:07
20M
20.00 mi12:02:301:59:295:598:08
6:00
0:00
21M
21.00 mi12:08:542:05:536:006:24
6:24
+0:24
35K
21.75 mi12:13:282:10:276:004:34
6:07
-0:17
23M
23.00 mi12:21:482:18:476:038:20
6:40
+0:33
24M
24.00 mi12:28:292:25:286:046:41
6:41
+0:01
40K
24.85 mi12:34:322:31:316:066:03
7:05
+0:24
25.2M
25.20 mi12:37:182:34:176:082:46
8:02
+0:57
FINISH
26.22 mi12:44:512:41:506:117:33
7:25
-0:37

Checkpoint Splits Visualizations

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

📈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

5:50 /mi

Average Pace

6:11 /mi

Slowest Pace

8:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

0:00

0% of race

Time at Steady Pace

2:10:27

81% of race

Time at Slower Pace

31:23

19% of race

Average Pace: 6:10 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:22:0319:026:0819:02
6:08
#1711
10K
6.21 mi10:40:5237:516:0618:49
6:04
#1648
15K
9.32 mi10:59:1556:146:0218:23
5:56
#1418
20K
12.43 mi11:17:321:14:316:0018:17
5:54
#1234
HALF
13.11 mi11:21:301:18:296:003:58
5:50
#1207
25K
15.53 mi11:35:461:32:455:5914:16
5:53
#1101
30K
18.64 mi11:54:221:51:215:5918:36
6:00
#966
20M
20.00 mi12:02:301:59:295:598:08
6:00
#938
21M
21.00 mi12:08:542:05:536:006:24
6:24
#931
35K
21.75 mi12:13:282:10:276:004:34
6:07
#941
23M
23.00 mi12:21:482:18:476:038:20
6:40
#1011
24M
24.00 mi12:28:292:25:286:046:41
6:41
#1100
40K
24.85 mi12:34:322:31:316:066:03
7:05
#1209
25.2M
25.20 mi12:37:182:34:176:082:46
8:02
#1269
FINISH
26.22 mi12:44:512:41:506:117:33
7:25
#1437
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 mi1711164516451010(Top 3%)971(Top 6%)971(Top 17%)
10K6.21 mi3.10 mi1648+631583+621583+621598(Top 6%)1536(Top 9%)1536(Top 27%)
15K9.32 mi3.11 mi1418+2301363+2201363+2201010(Top 3%)971(Top 6%)971(Top 17%)
20K12.43 mi3.11 mi1234+1841185+1781185+178764(Top 3%)738(Top 5%)738(Top 13%)
HALF13.11 mi0.68 mi1207+271159+261159+26796(Top 3%)768(Top 5%)768(Top 13%)
25K15.53 mi2.42 mi1101+1061059+1001059+100701(Top 2%)678(Top 4%)678(Top 12%)
30K18.64 mi3.11 mi966+135928+131928+131657(Top 2%)630(Top 4%)630(Top 11%)
20M20.00 mi1.36 mi938+28900+28900+28625(Top 2%)600(Top 4%)600(Top 10%)
21M21.00 mi1.00 mi931+7892+8892+8973(Top 3%)933(Top 6%)933(Top 16%)
35K21.75 mi0.75 mi941-10901-9901-91583(Top 5%)1514(Top 9%)1514(Top 26%)
23M23.00 mi1.25 mi1011-70967-66967-663210(Top 11%)2945(Top 18%)2945(Top 51%)
24M24.00 mi1.00 mi1100-891055-881055-884266(Top 15%)3763(Top 23%)3763(Top 66%)
40K24.85 mi0.85 mi1209-1091163-1081163-1085900(Top 20%)4912(Top 30%)4912(Top 86%)
25.2M25.20 mi0.35 mi1269-601219-561219-568347(Top 29%)6243(Top 38%)6243(Top 109%)
FINISH26.22 mi1.02 mi1437-1681382-1631382-16310660(Top 37%)7428(Top 45%)7428(Top 130%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21
+97ft-345ft

Overall

1010

Males

971

M18-39

971

5K→10K

3.1 - 6.2 mi

Top 6%
×5
+79ft-138ft

Overall

1598

Males

1536

M18-39

1536

10K→15K

6.2 - 9.3 mi

Top 3%
×3
+67ft-78ft

Overall

1010

Males

971

M18-39

971

15K→20K

9.3 - 12.4 mi

Top 3%
×5
+106ft-86ft

Overall

764

Males

738

M18-39

738

20K→HALF

12.4 - 13.1 mi

Top 3%
×2
+19ft-37ft

Overall

796

Males

768

M18-39

768

HALF→25K

13.1 - 15.5 mi

Top 2%
×4
+66ft-88ft

Overall

701

Males

678

M18-39

678

25K→30K

15.5 - 18.6 mi

Top 2%
×9
+181ft-148ft

Overall

657

Males

630

M18-39

630

30K→20M

18.6 - 20.0 mi

Top 2%
×5
+64ft-50ft

Overall

625

Males

600

M18-39

600

20M→21M

20.0 - 21.0 mi

Top 3%
×8
+106ft-24ft

Overall

973

Males

933

M18-39

933

21M→35K

21.0 - 21.8 mi

Top 5%
×7
+17ft-86ft

Overall

1583

Males

1514

M18-39

1514

35K→23M

21.8 - 23.0 mi

Top 11%
×5
+23ft-63ft

Overall

3210

Males

2945

M18-39

2945

23M→24M

23.0 - 24.0 mi

Top 15%
×6
+12ft-82ft

Overall

4266

Males

3763

M18-39

3763

24M→40K

24.0 - 24.9 mi

Top 20%
×1
+6ft-20ft

Overall

5900

Males

4912

M18-39

4912

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1
+13ft-16ft

Overall

8347

Males

6243

M18-39

6243

25.2M→FINISH

25.2 - 26.2 mi

Top 37%
×2
+22ft-21ft

Overall

10660

Males

7428

M18-39

7428

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
902*
Passed By
628
Net Change
+274
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1711
5K10K11956+63#1711#1648
10K15K233*3+230#1648#1418
15K20K1862+184#1418#1234
20KHALF281+27#1234#1207
HALF25K1060+106#1207#1101
25K30K1394+135#1101#966
30K20M4012+28#966#938
20M21M2013+7#938#931
21M35K1222-10#931#941
35K23M1383-70#941#1011
23M24M392-89#1011#1100
24M40K3112-109#1100#1209
40K25.2M060-60#1209#1269
25.2MFINISH0168-168#1269#1437
TOTALS902*628+274

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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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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