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BOSTON MARATHON 2023

Jonathan Pahren

Bib: 3495•M

OH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 28%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
6:36/mi
20:30
↑ 97↓ 3451.5%
10K· 6.21 mi
6:29/mi
40:40
↑ 79↓ 1380.4%
15K· 9.32 mi
6:29/mi
1:00:48
↑ 67↓ 78
20K· 12.43 mi
6:28/mi
1:20:55
↑ 106↓ 860.1%
Half· 13.11 mi
6:25/mi
1:25:18
↑ 19↓ 370.5%
25K· 15.53 mi
6:31/mi
1:41:07
↑ 66↓ 880.2%
30K· 18.64 mi
6:47/mi
2:02:12
↑ 181↓ 1480.2%
20M
6:52/mi
2:11:32
↑ 64↓ 500.2%
21M
7:40/mi
2:19:12
↑ 106↓ 241.6%
35K· 21.75 mi
6:52/mi
2:24:20
↑ 17↓ 861.7%
23M
7:34/mi
2:33:48
↑ 23↓ 630.6%
24M
7:57/mi
2:41:45
↓ 821.3%
40K· 24.85 mi
8:52/mi
2:49:20
↓ 200.3%
25.2M
9:08/mi
2:52:29
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
3:01:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:18
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:36:10
Pace7:20 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5720:306:3620:30
6:36
-
10K
6.21 mi10:42:0740:406:3320:10
6:29
-0:07
15K
9.32 mi11:02:151:00:486:3120:08
6:29
0:00
20K
12.43 mi11:22:221:20:556:3120:07
6:28
-0:01
Half
13.11 mi11:26:451:25:186:304:23
6:25
-0:03
25K
15.53 mi11:42:341:41:076:3115:49
6:31
+0:06
30K
18.64 mi12:03:392:02:126:3321:05
6:47
+0:16
20M
20.00 mi12:12:592:11:326:359:20
6:52
+0:05
21M
21.00 mi12:20:392:19:126:387:40
7:40
+0:48
35K
21.75 mi12:25:472:24:206:385:08
6:52
-0:48
23M
23.00 mi12:35:152:33:486:419:28
7:34
+0:42
24M
24.00 mi12:43:122:41:456:447:57
7:57
+0:23
40K
24.85 mi12:50:472:49:206:497:35
8:52
+0:55
25.2M
25.20 mi12:53:562:52:296:513:09
9:08
+0:16
Finish
26.22 mi13:02:553:01:286:568:59
8:49
-0:19

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

6:25 /mi

Average Pace

6:56 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:16:40

75% of race

Time at Slower Pace

44:48

25% of race

Average Pace: 6:55 /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 mi10:21:5720:306:3620:30
6:36
#2853
10K
6.21 mi10:42:0740:406:3320:10
6:29
#2772
15K
9.32 mi11:02:151:00:486:3120:08
6:29
#2665
20K
12.43 mi11:22:221:20:556:3120:07
6:28
#2514
Half
13.11 mi11:26:451:25:186:304:23
6:25
#2496
25K
15.53 mi11:42:341:41:076:3115:49
6:31
#2459
30K
18.64 mi12:03:392:02:126:3321:05
6:47
#2506
20M
20.00 mi12:12:592:11:326:359:20
6:52
#2522
21M
21.00 mi12:20:392:19:126:387:40
7:40
#2625
35K
21.75 mi12:25:472:24:206:385:08
6:52
#2660
23M
23.00 mi12:35:152:33:486:419:28
7:34
#2899
24M
24.00 mi12:43:122:41:456:447:57
7:57
#3245
40K
24.85 mi12:50:472:49:206:497:35
8:52
#3772
25.2M
25.20 mi12:53:562:52:296:513:09
9:08
#3986
Finish
26.22 mi13:02:553:01:286:568:59
8:49
#4513
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2853271627162537(Top 10%)2433(Top 16%)2433(Top 46%)
10K6.21 mi3.10 mi2772+812643+732643+732738(Top 10%)2619(Top 17%)2619(Top 50%)
15K9.32 mi3.11 mi2665+1072546+972546+972537(Top 10%)2433(Top 16%)2433(Top 46%)
20K12.43 mi3.11 mi2514+1512406+1402406+1402173(Top 8%)2085(Top 14%)2085(Top 39%)
Half13.11 mi0.68 mi2496+182391+152391+152401(Top 9%)2306(Top 15%)2306(Top 44%)
25K15.53 mi2.42 mi2459+372356+352356+352304(Top 9%)2210(Top 15%)2210(Top 42%)
30K18.64 mi3.11 mi2506-472397-412397-412898(Top 11%)2748(Top 18%)2748(Top 52%)
20M20.00 mi1.36 mi2522-162413-162413-163244(Top 12%)3041(Top 20%)3041(Top 58%)
21M21.00 mi1.00 mi2625-1032511-982511-985419(Top 20%)4772(Top 31%)4772(Top 90%)
35K21.75 mi0.75 mi2660-352543-322543-324562(Top 17%)4153(Top 27%)4153(Top 79%)
23M23.00 mi1.25 mi2899-2392759-2162759-2166769(Top 25%)5667(Top 37%)5667(Top 107%)
24M24.00 mi1.00 mi3245-3463071-3123071-31210835(Top 41%)7808(Top 51%)7808(Top 148%)
40K24.85 mi0.85 mi3772-5273546-4753546-47515419(Top 58%)9852(Top 65%)9852(Top 186%)
25.2M25.20 mi0.35 mi3986-2143732-1863732-18613155(Top 49%)8796(Top 58%)8796(Top 166%)
Finish26.22 mi1.02 mi4513-5274195-4634195-46317071(Top 64%)10628(Top 70%)10628(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21story building
+97ft-345ft

Overall

2537

Males

2433

M18-39

2433

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2738

Males

2619

M18-39

2619

10K→15K

6.2 - 9.3 mi

Top 10%
×3story building
+67ft-78ft

Overall

2537

Males

2433

M18-39

2433

15K→20K

9.3 - 12.4 mi

Top 8%
×5story building
+106ft-86ft

Overall

2173

Males

2085

M18-39

2085

20K→Half

12.4 - 13.1 mi

Top 9%
×2story building
+19ft-37ft

Overall

2401

Males

2306

M18-39

2306

Half→25K

13.1 - 15.5 mi

Top 9%
×4story building
+66ft-88ft

Overall

2304

Males

2210

M18-39

2210

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

2898

Males

2748

M18-39

2748

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3244

Males

3041

M18-39

3041

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5419

Males

4772

M18-39

4772

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4562

Males

4153

M18-39

4153

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

6769

Males

5667

M18-39

5667

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10835

Males

7808

M18-39

7808

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15419

Males

9852

M18-39

9852

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13155

Males

8796

M18-39

8796

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

17071

Males

10628

M18-39

10628

Passing Analysis

Category:
Athletes Passed
722
Passed By
2382
Net Change
-1660
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2853
5K → 10K197116+81#2853#2772
10K → 15K14538+107#2772#2665
15K → 20K16211+151#2665#2514
20K → Half246+18#2514#2496
Half → 25K6932+37#2496#2459
25K → 30K4794-47#2459#2506
30K → 20M3046-16#2506#2522
20M → 21M12115-103#2522#2625
21M → 35K1449-35#2625#2660
35K → 23M12251-239#2660#2899
23M → 24M3349-346#2899#3245
24M → 40K2529-527#3245#3772
40K → 25.2M4218-214#3772#3986
25.2M → Finish1528-527#3986#4513
TOTALS7222382-1660
📊

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