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BOSTON MARATHON 2023

Dan Fortin

Bib: 21442•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
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
10:04/mi
31:15
↑ 97↓ 3451.5%
10K· 6.21 mi
9:28/mi
1:00:39
↑ 79↓ 1380.4%
15K· 9.32 mi
9:24/mi
1:29:52
↑ 67↓ 78
20K· 12.43 mi
9:26/mi
1:59:12
↑ 106↓ 860.1%
Half· 13.11 mi
9:27/mi
2:05:39
↑ 19↓ 370.5%
25K· 15.53 mi
9:29/mi
2:28:38
↑ 66↓ 880.2%
30K· 18.64 mi
9:36/mi
2:58:29
↑ 181↓ 1480.2%
20M
9:39/mi
3:11:36
↑ 64↓ 500.2%
21M
9:52/mi
3:21:28
↑ 106↓ 241.6%
35K· 21.75 mi
9:43/mi
3:28:44
↑ 17↓ 861.7%
23M
9:49/mi
3:41:02
↑ 23↓ 630.6%
24M
9:43/mi
3:50:45
↓ 821.3%
40K· 24.85 mi
9:40/mi
3:59:01
↓ 200.3%
25.2M
10:03/mi
4:02:29
↑ 13↓ 160.2%
Finish· 26.22 mi
9:23/mi
4:12:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:05:39
Pace9:35 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:06:24
Pace9:39 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:0431:1510:0431:15
10:04
-
10K
6.21 mi11:53:281:00:399:4629:24
9:28
-0:36
15K
9.32 mi12:22:411:29:529:3929:13
9:24
-0:04
20K
12.43 mi12:52:011:59:129:3629:20
9:26
+0:02
Half
13.11 mi12:58:282:05:399:356:27
9:27
+0:01
25K
15.53 mi13:21:272:28:389:3422:59
9:29
+0:02
30K
18.64 mi13:51:182:58:299:3429:51
9:36
+0:07
20M
20.00 mi14:04:253:11:369:3513:07
9:39
+0:03
21M
21.00 mi14:14:173:21:289:369:52
9:52
+0:13
35K
21.75 mi14:21:333:28:449:367:16
9:43
-0:09
23M
23.00 mi14:33:513:41:029:3712:18
9:49
+0:06
24M
24.00 mi14:43:343:50:459:379:43
9:43
-0:06
40K
24.85 mi14:51:503:59:019:378:16
9:40
-0:03
25.2M
25.20 mi14:55:184:02:299:373:28
10:03
+0:23
Finish
26.22 mi15:04:524:12:039:379:34
9:23
-0:40

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

9:23 /mi

Average Pace

9:37 /mi

Slowest Pace

10:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:28

82% of race

Time at Steady Pace

44:35

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:37 /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 mi11:24:0431:1510:0431:15
10:04
#23563
10K
6.21 mi11:53:281:00:399:4629:24
9:28
#23063
15K
9.32 mi12:22:411:29:529:3929:13
9:24
#22699
20K
12.43 mi12:52:011:59:129:3629:20
9:26
#22366
Half
13.11 mi12:58:282:05:399:356:27
9:27
#22353
25K
15.53 mi13:21:272:28:389:3422:59
9:29
#22081
30K
18.64 mi13:51:182:58:299:3429:51
9:36
#21679
20M
20.00 mi14:04:253:11:369:3513:07
9:39
#21543
21M
21.00 mi14:14:173:21:289:369:52
9:52
#21324
35K
21.75 mi14:21:333:28:449:367:16
9:43
#21291
23M
23.00 mi14:33:513:41:029:3712:18
9:49
#21159
24M
24.00 mi14:43:343:50:459:379:43
9:43
#21084
40K
24.85 mi14:51:503:59:019:378:16
9:40
#21002
25.2M
25.20 mi14:55:184:02:299:373:28
10:03
#20940
Finish
26.22 mi15:04:524:12:039:379:34
9:23
#20878
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi23563138591385921960(Top 82%)13171(Top 87%)13171(Top 2399%)
10K6.21 mi3.10 mi23063+50013642+21713642+21722402(Top 84%)13345(Top 88%)13345(Top 2431%)
15K9.32 mi3.11 mi22699+36413490+15213490+15221960(Top 82%)13171(Top 87%)13171(Top 2399%)
20K12.43 mi3.11 mi22366+33313331+15913331+15921355(Top 80%)12896(Top 85%)12896(Top 2349%)
Half13.11 mi0.68 mi22353+1313324+713324+721955(Top 82%)13169(Top 87%)13169(Top 2399%)
25K15.53 mi2.42 mi22081+27213190+13413190+13420766(Top 78%)12599(Top 83%)12599(Top 2295%)
30K18.64 mi3.11 mi21679+40213001+18913001+18919815(Top 74%)12133(Top 80%)12133(Top 2210%)
20M20.00 mi1.36 mi21543+13612933+6812933+6819400(Top 73%)11864(Top 78%)11864(Top 2161%)
21M21.00 mi1.00 mi21324+21912813+12012813+12017510(Top 66%)11011(Top 73%)11011(Top 2006%)
35K21.75 mi0.75 mi21291+3312792+2112792+2120505(Top 77%)12261(Top 81%)12261(Top 2233%)
23M23.00 mi1.25 mi21159+13212716+7612716+7619491(Top 73%)11796(Top 78%)11796(Top 2149%)
24M24.00 mi1.00 mi21084+7512671+4512671+4519948(Top 75%)11982(Top 79%)11982(Top 2183%)
40K24.85 mi0.85 mi21002+8212625+4612625+4618912(Top 71%)11450(Top 75%)11450(Top 2086%)
25.2M25.20 mi0.35 mi20940+6212593+3212593+3217590(Top 66%)10847(Top 71%)10847(Top 1976%)
Finish26.22 mi1.02 mi20878+6212552+4112552+4119706(Top 74%)11847(Top 78%)11847(Top 2158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

21960

Males

13171

M65-69

13171

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

22402

Males

13345

M65-69

13345

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

21960

Males

13171

M65-69

13171

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21355

Males

12896

M65-69

12896

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

21955

Males

13169

M65-69

13169

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20766

Males

12599

M65-69

12599

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19815

Males

12133

M65-69

12133

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19400

Males

11864

M65-69

11864

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17510

Males

11011

M65-69

11011

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20505

Males

12261

M65-69

12261

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19491

Males

11796

M65-69

11796

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

19948

Males

11982

M65-69

11982

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18912

Males

11450

M65-69

11450

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17590

Males

10847

M65-69

10847

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

19706

Males

11847

M65-69

11847

Passing Analysis

Category:
Athletes Passed
2896
Passed By
211
Net Change
+2685
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23563
5K → 10K55757+500#23563#23063
10K → 15K39430+364#23063#22699
15K → 20K35017+333#22699#22366
20K → Half3320+13#22366#22353
Half → 25K2808+272#22353#22081
25K → 30K4108+402#22081#21679
30K → 20M1437+136#21679#21543
20M → 21M2201+219#21543#21324
21M → 35K4714+33#21324#21291
35K → 23M1408+132#21291#21159
23M → 24M849+75#21159#21084
24M → 40K875+82#21084#21002
40K → 25.2M675+62#21002#20940
25.2M → Finish8422+62#20940#20878
TOTALS2896211+2685
📊

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