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BOSTON MARATHON 2023

Dylan Fehrman

Bib: 6509•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Division (M18-39)
#0 / 5285
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:39
Rank: #3199
Start → 5K
20:39 | 6:39/mi
10K· 6.21 mi
40:58
Rank: #3102 (+97)
5K → 10K
20:19 | 6:32/mi
15K· 9.32 mi
1:01:14
Rank: #2964 (+138)
10K → 15K
20:16 | 6:31/mi
20K· 12.43 mi
1:21:33
Rank: #2815 (+149)
15K → 20K
20:19 | 6:32/mi
Half· 13.11 mi
1:26:01
Rank: #2815
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:41:47
Rank: #2692 (+123)
Half → 25K
15:46 | 6:30/mi
30K· 18.64 mi
2:02:39
Rank: #2633 (+59)
25K → 30K
20:52 | 6:43/mi
20M
2:11:59
Rank: #2646 (-13)
30K → 20M
9:20 | 6:52/mi
21M
2:19:08
Rank: #2601 (+45)
20M → 21M
7:09 | 7:09/mi
35K· 21.75 mi
2:24:02
Rank: #2585 (+16)
21M → 35K
4:54 | 6:33/mi
23M
2:32:40
Rank: #2573 (+12)
35K → 23M
8:38 | 6:54/mi
24M
2:39:29
Rank: #2603 (-30)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:45:33
Rank: #2661 (-58)
24M → 40K
6:04 | 7:06/mi
25.2M
2:48:12
Rank: #2691 (-30)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:55:02
Rank: #2701 (-10)
25.2M → Finish
6:50 | 6:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:01
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:29:01
Pace6:47 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5520:396:3920:39
6:39
-
10K
6.21 mi10:44:1440:586:3620:19
6:32
-0:07
15K
9.32 mi11:04:301:01:146:3420:16
6:31
-0:01
20K
12.43 mi11:24:491:21:336:3420:19
6:32
+0:01
Half
13.11 mi11:29:171:26:016:344:28
6:33
+0:01
25K
15.53 mi11:45:031:41:476:3315:46
6:30
-0:03
30K
18.64 mi12:05:552:02:396:3520:52
6:43
+0:13
20M
20.00 mi12:15:152:11:596:369:20
6:52
+0:09
21M
21.00 mi12:22:242:19:086:387:09
7:09
+0:17
35K
21.75 mi12:27:182:24:026:374:54
6:33
-0:36
23M
23.00 mi12:35:562:32:406:388:38
6:54
+0:21
24M
24.00 mi12:42:452:39:296:396:49
6:49
-0:05
40K
24.85 mi12:48:492:45:336:406:04
7:06
+0:17
25.2M
25.20 mi12:51:282:48:126:402:39
7:41
+0:35
Finish
26.22 mi12:58:182:55:026:416:50
6:42
-0:59

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

6:30 /mi

Average Pace

6:41 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:14

94% of race

Time at Steady Pace

7:09

4% of race

Time at Slower Pace

2:39

2% of race

Average Pace: 6:41 /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 mi10:23:5520:396:3920:39
6:39
#3199
10K
6.21 mi10:44:1440:586:3620:19
6:32
#3102
15K
9.32 mi11:04:301:01:146:3420:16
6:31
#2964
20K
12.43 mi11:24:491:21:336:3420:19
6:32
#2815
Half
13.11 mi11:29:171:26:016:344:28
6:33
#2815
25K
15.53 mi11:45:031:41:476:3315:46
6:30
#2692
30K
18.64 mi12:05:552:02:396:3520:52
6:43
#2633
20M
20.00 mi12:15:152:11:596:369:20
6:52
#2646
21M
21.00 mi12:22:242:19:086:387:09
7:09
#2601
35K
21.75 mi12:27:182:24:026:374:54
6:33
#2585
23M
23.00 mi12:35:562:32:406:388:38
6:54
#2573
24M
24.00 mi12:42:452:39:296:396:49
6:49
#2603
40K
24.85 mi12:48:492:45:336:406:04
7:06
#2661
25.2M
25.20 mi12:51:282:48:126:402:39
7:41
#2691
Finish
26.22 mi12:58:182:55:026:416:50
6:42
#2701
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3199302130212767(Top 10%)2643(Top 17%)2643(Top 50%)
10K6.21 mi3.10 mi3102+972950+712950+713033(Top 11%)2894(Top 19%)2894(Top 55%)
15K9.32 mi3.11 mi2964+1382827+1232827+1232767(Top 10%)2643(Top 17%)2643(Top 50%)
20K12.43 mi3.11 mi2815+1492689+1382689+1382517(Top 9%)2410(Top 16%)2410(Top 46%)
Half13.11 mi0.68 mi28152692-32692-33045(Top 11%)2910(Top 19%)2910(Top 55%)
25K15.53 mi2.42 mi2692+1232572+1202572+1202187(Top 8%)2098(Top 14%)2098(Top 40%)
30K18.64 mi3.11 mi2633+592514+582514+582487(Top 9%)2366(Top 16%)2366(Top 45%)
20M20.00 mi1.36 mi2646-132528-142528-143205(Top 12%)3002(Top 20%)3002(Top 57%)
21M21.00 mi1.00 mi2601+452489+392489+392835(Top 11%)2660(Top 18%)2660(Top 50%)
35K21.75 mi0.75 mi2585+162471+182471+182684(Top 10%)2527(Top 17%)2527(Top 48%)
23M23.00 mi1.25 mi2573+122460+112460+113179(Top 12%)2956(Top 19%)2956(Top 56%)
24M24.00 mi1.00 mi2603-302488-282488-283715(Top 14%)3401(Top 22%)3401(Top 64%)
40K24.85 mi0.85 mi2661-582539-512539-514308(Top 16%)3824(Top 25%)3824(Top 72%)
25.2M25.20 mi0.35 mi2691-302565-262565-264705(Top 18%)4058(Top 27%)4058(Top 77%)
Finish26.22 mi1.02 mi2701-102570-52570-53523(Top 13%)3148(Top 21%)3148(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2767

Males

2643

M18-39

2643

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3033

Males

2894

M18-39

2894

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2767

Males

2643

M18-39

2643

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2517

Males

2410

M18-39

2410

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3045

Males

2910

M18-39

2910

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2187

Males

2098

M18-39

2098

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2487

Males

2366

M18-39

2366

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3205

Males

3002

M18-39

3002

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2835

Males

2660

M18-39

2660

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2684

Males

2527

M18-39

2527

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3179

Males

2956

M18-39

2956

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3715

Males

3401

M18-39

3401

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4308

Males

3824

M18-39

3824

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4705

Males

4058

M18-39

4058

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3523

Males

3148

M18-39

3148

Passing Analysis

Category:
Athletes Passed
1049
Passed By
551
Net Change
+498
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3199
5K → 10K208111+97#3199#3102
10K → 15K17638+138#3102#2964
15K → 20K16819+149#2964#2815
20K → Half16160#2815#2815
Half → 25K1318+123#2815#2692
25K → 30K10142+59#2692#2633
30K → 20M3447-13#2633#2646
20M → 21M549+45#2646#2601
21M → 35K2610+16#2601#2585
35K → 23M5240+12#2585#2573
23M → 24M2757-30#2573#2603
24M → 40K1977-58#2603#2661
40K → 25.2M535-30#2661#2691
25.2M → Finish3242-10#2691#2701
TOTALS1049551+498
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing