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BOSTON MARATHON 2023

Jonathan Flores

Bib: 26270•M

MN

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
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
9:31/mi
29:35
↑ 97↓ 3451.5%
10K· 6.21 mi
9:29/mi
59:02
↑ 79↓ 1380.4%
15K· 9.32 mi
9:20/mi
1:28:02
↑ 67↓ 78
20K· 12.43 mi
9:31/mi
1:57:36
↑ 106↓ 860.1%
Half· 13.11 mi
9:42/mi
2:04:13
↑ 19↓ 370.5%
25K· 15.53 mi
10:05/mi
2:28:40
↑ 66↓ 880.2%
30K· 18.64 mi
11:33/mi
3:04:34
↑ 181↓ 1480.2%
20M
12:28/mi
3:21:30
↑ 64↓ 500.2%
21M
12:54/mi
3:34:24
↑ 106↓ 241.6%
35K· 21.75 mi
12:47/mi
3:43:58
↑ 17↓ 861.7%
23M
12:16/mi
3:59:19
↑ 23↓ 630.6%
24M
11:09/mi
4:10:28
↓ 821.3%
40K· 24.85 mi
12:37/mi
4:21:15
↓ 200.3%
25.2M
12:14/mi
4:25:28
↑ 13↓ 160.2%
Finish· 26.22 mi
10:29/mi
4:36:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:13
Pace9:29 /mi
2nd Half
Distance13.11 mi
Time2:31:56
Pace11:35 /mi
📊Positive Split: 22.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1729:359:3129:35
9:31
-
10K
6.21 mi12:15:4459:029:3029:27
9:29
-0:02
15K
9.32 mi12:44:441:28:029:2729:00
9:20
-0:09
20K
12.43 mi13:14:181:57:369:2829:34
9:31
+0:11
Half
13.11 mi13:20:552:04:139:296:37
9:42
+0:11
25K
15.53 mi13:45:222:28:409:3424:27
10:05
+0:23
30K
18.64 mi14:21:163:04:349:5435:54
11:33
+1:28
20M
20.00 mi14:38:123:21:3010:0416:56
12:28
+0:55
21M
21.00 mi14:51:063:34:2410:1312:54
12:54
+0:26
35K
21.75 mi15:00:403:43:5810:189:34
12:47
-0:07
23M
23.00 mi15:16:013:59:1910:2415:21
12:16
-0:31
24M
24.00 mi15:27:104:10:2810:2611:09
11:09
-1:07
40K
24.85 mi15:37:574:21:1510:3110:47
12:37
+1:28
25.2M
25.20 mi15:42:104:25:2810:324:13
12:14
-0:23
Finish
26.22 mi15:52:514:36:0910:3210:41
10:29
-1:45

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

9:20 /mi

Average Pace

10:32 /mi

Slowest Pace

12:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:40

54% of race

Time at Steady Pace

57:44

21% of race

Time at Slower Pace

1:09:45

25% of race

Average Pace: 10:32 /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 mi11:46:1729:359:3129:35
9:31
#22155
10K
6.21 mi12:15:4459:029:3029:27
9:29
#22331
15K
9.32 mi12:44:441:28:029:2729:00
9:20
#22140
20K
12.43 mi13:14:181:57:369:2829:34
9:31
#21986
Half
13.11 mi13:20:552:04:139:296:37
9:42
#22025
25K
15.53 mi13:45:222:28:409:3424:27
10:05
#22093
30K
18.64 mi14:21:163:04:349:5435:54
11:33
#22559
20M
20.00 mi14:38:123:21:3010:0416:56
12:28
#22788
21M
21.00 mi14:51:063:34:2410:1312:54
12:54
#22899
35K
21.75 mi15:00:403:43:5810:189:34
12:47
#23056
23M
23.00 mi15:16:013:59:1910:2415:21
12:16
#23147
24M
24.00 mi15:27:104:10:2810:2611:09
11:09
#23157
40K
24.85 mi15:37:574:21:1510:3110:47
12:37
#23243
25.2M
25.20 mi15:42:104:25:2810:324:13
12:14
#23229
Finish
26.22 mi15:52:514:36:0910:3210:41
10:29
#23216
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22155131781317821750(Top 82%)13085(Top 86%)13085(Top 248%)
10K6.21 mi3.10 mi22331-17613294-11613294-11622460(Top 84%)13373(Top 88%)13373(Top 253%)
15K9.32 mi3.11 mi22140+19113211+8313211+8321750(Top 82%)13085(Top 86%)13085(Top 248%)
20K12.43 mi3.11 mi21986+15413137+7413137+7421607(Top 81%)13009(Top 86%)13009(Top 246%)
Half13.11 mi0.68 mi22025-3913161-2413161-2422634(Top 85%)13461(Top 89%)13461(Top 255%)
25K15.53 mi2.42 mi22093-6813195-3413195-3422398(Top 84%)13320(Top 88%)13320(Top 252%)
30K18.64 mi3.11 mi22559-46613371-17613371-17623933(Top 90%)13932(Top 92%)13932(Top 264%)
20M20.00 mi1.36 mi22788-22913486-11513486-11524691(Top 93%)14227(Top 94%)14227(Top 269%)
21M21.00 mi1.00 mi22899-11113523-3713523-3723970(Top 90%)13880(Top 91%)13880(Top 263%)
35K21.75 mi0.75 mi23056-15713591-6813591-6825398(Top 95%)14514(Top 96%)14514(Top 275%)
23M23.00 mi1.25 mi23147-9113628-3713628-3724309(Top 91%)13994(Top 92%)13994(Top 265%)
24M24.00 mi1.00 mi23157-1013626+213626+223311(Top 88%)13486(Top 89%)13486(Top 255%)
40K24.85 mi0.85 mi23243-8613656-3013656-3024560(Top 92%)14077(Top 93%)14077(Top 266%)
25.2M25.20 mi0.35 mi23229+1413647+913647+922861(Top 86%)13259(Top 87%)13259(Top 251%)
Finish26.22 mi1.02 mi23216+1313633+1413633+1422969(Top 86%)13315(Top 88%)13315(Top 252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

21750

Males

13085

M18-39

13085

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

22460

Males

13373

M18-39

13373

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

21750

Males

13085

M18-39

13085

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

21607

Males

13009

M18-39

13009

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22634

Males

13461

M18-39

13461

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22398

Males

13320

M18-39

13320

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

23933

Males

13932

M18-39

13932

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

24691

Males

14227

M18-39

14227

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

23970

Males

13880

M18-39

13880

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

25398

Males

14514

M18-39

14514

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24309

Males

13994

M18-39

13994

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

23311

Males

13486

M18-39

13486

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24560

Males

14077

M18-39

14077

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22861

Males

13259

M18-39

13259

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

22969

Males

13315

M18-39

13315

Passing Analysis

Category:
Athletes Passed
957
Passed By
2018
Net Change
-1061
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22155
5K → 10K167343-176#22155#22331
10K → 15K26877+191#22331#22140
15K → 20K21561+154#22140#21986
20K → Half1453-39#21986#22025
Half → 25K82150-68#22025#22093
25K → 30K33499-466#22093#22559
30K → 20M12241-229#22559#22788
20M → 21M20131-111#22788#22899
21M → 35K8165-157#22899#23056
35K → 23M27118-91#23056#23147
23M → 24M3242-10#23147#23157
24M → 40K16102-86#23157#23243
40K → 25.2M2814+14#23243#23229
25.2M → Finish3522+13#23229#23216
TOTALS9572018-1061
📊

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