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BOSTON MARATHON 2023

Jason Lydon

Bib: 24981•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 36%
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:48
Rank: #11099
Start → 5K
23:48 | 7:40/mi
10K· 6.21 mi
45:16
Rank: #8341 (+2758)
5K → 10K
21:28 | 6:55/mi
15K· 9.32 mi
1:07:04
Rank: #7720 (+621)
10K → 15K
21:48 | 7:01/mi
20K· 12.43 mi
1:29:45
Rank: #7707 (+13)
15K → 20K
22:41 | 7:18/mi
Half· 13.11 mi
1:34:40
Rank: #7707
20K → Half
4:55 | 7:12/mi
25K· 15.53 mi
1:53:03
Rank: #7912 (-205)
Half → 25K
18:23 | 7:35/mi
30K· 18.64 mi
2:17:04
Rank: #8038 (-126)
25K → 30K
24:01 | 7:44/mi
20M
2:28:13
Rank: #8248 (-210)
30K → 20M
11:09 | 8:12/mi
21M
2:37:21
Rank: #8581 (-333)
20M → 21M
9:08 | 9:08/mi
35K· 21.75 mi
2:43:30
Rank: #8775 (-194)
21M → 35K
6:09 | 8:13/mi
23M
2:54:13
Rank: #9032 (-257)
35K → 23M
10:43 | 8:34/mi
24M
3:02:46
Rank: #9260 (-228)
23M → 24M
8:33 | 8:33/mi
40K· 24.85 mi
3:10:03
Rank: #9429 (-169)
24M → 40K
7:17 | 8:31/mi
25.2M
3:13:13
Rank: #9465 (-36)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:21:35
Rank: #9607 (-142)
25.2M → Finish
8:22 | 8:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:40
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:46:55
Pace8:09 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:4423:487:4023:48
7:40
-
10K
6.21 mi12:04:1245:167:1721:28
6:55
-0:45
15K
9.32 mi12:26:001:07:047:1221:48
7:01
+0:06
20K
12.43 mi12:48:411:29:457:1322:41
7:18
+0:17
Half
13.11 mi12:53:361:34:407:134:55
7:12
-0:06
25K
15.53 mi13:11:591:53:037:1718:23
7:35
+0:23
30K
18.64 mi13:36:002:17:047:2124:01
7:44
+0:09
20M
20.00 mi13:47:092:28:137:2511:09
8:12
+0:28
21M
21.00 mi13:56:172:37:217:309:08
9:08
+0:56
35K
21.75 mi14:02:262:43:307:316:09
8:13
-0:55
23M
23.00 mi14:13:092:54:137:3410:43
8:34
+0:21
24M
24.00 mi14:21:423:02:467:378:33
8:33
-0:01
40K
24.85 mi14:28:593:10:037:397:17
8:31
-0:02
25.2M
25.20 mi14:32:093:13:137:403:10
9:11
+0:40
Finish
26.22 mi14:40:313:21:357:428:22
8:13
-0:58

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

6:55 /mi

Average Pace

7:42 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:04

68% of race

Time at Steady Pace

32:57

16% of race

Time at Slower Pace

31:34

16% of race

Average Pace: 7:41 /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 mi11:42:4423:487:4023:48
7:40
#11099
10K
6.21 mi12:04:1245:167:1721:28
6:55
#8341
15K
9.32 mi12:26:001:07:047:1221:48
7:01
#7720
20K
12.43 mi12:48:411:29:457:1322:41
7:18
#7707
Half
13.11 mi12:53:361:34:407:134:55
7:12
#7707
25K
15.53 mi13:11:591:53:037:1718:23
7:35
#7912
30K
18.64 mi13:36:002:17:047:2124:01
7:44
#8038
20M
20.00 mi13:47:092:28:137:2511:09
8:12
#8248
21M
21.00 mi13:56:172:37:217:309:08
9:08
#8581
35K
21.75 mi14:02:262:43:307:316:09
8:13
#8775
23M
23.00 mi14:13:092:54:137:3410:43
8:34
#9032
24M
24.00 mi14:21:423:02:467:378:33
8:33
#9260
40K
24.85 mi14:28:593:10:037:397:17
8:31
#9429
25.2M
25.20 mi14:32:093:13:137:403:10
9:11
#9465
Finish
26.22 mi14:40:313:21:357:428:22
8:13
#9607
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi11099870387036666(Top 25%)5990(Top 39%)5990(Top 113%)
10K6.21 mi3.10 mi8341+27587175+15287175+15286212(Top 23%)5634(Top 37%)5634(Top 107%)
15K9.32 mi3.11 mi7720+6216774+4016774+4016666(Top 25%)5990(Top 39%)5990(Top 113%)
20K12.43 mi3.11 mi7707+136749+256749+257792(Top 29%)6755(Top 45%)6755(Top 128%)
Half13.11 mi0.68 mi77076747+26747+27912(Top 30%)6860(Top 45%)6860(Top 130%)
25K15.53 mi2.42 mi7912-2056857-1106857-1109395(Top 35%)7661(Top 50%)7661(Top 145%)
30K18.64 mi3.11 mi8038-1266898-416898-418863(Top 33%)7198(Top 47%)7198(Top 136%)
20M20.00 mi1.36 mi8248-2107007-1097007-10911705(Top 44%)8568(Top 56%)8568(Top 162%)
21M21.00 mi1.00 mi8581-3337206-1997206-19914103(Top 53%)9543(Top 63%)9543(Top 181%)
35K21.75 mi0.75 mi8775-1947320-1147320-11413527(Top 51%)9187(Top 61%)9187(Top 174%)
23M23.00 mi1.25 mi9032-2577439-1197439-11913549(Top 51%)9157(Top 60%)9157(Top 173%)
24M24.00 mi1.00 mi9260-2287547-1087547-10814728(Top 55%)9619(Top 63%)9619(Top 182%)
40K24.85 mi0.85 mi9429-1697613-667613-6613424(Top 50%)8963(Top 59%)8963(Top 170%)
25.2M25.20 mi0.35 mi9465-367627-147627-1413451(Top 51%)8944(Top 59%)8944(Top 169%)
Finish26.22 mi1.02 mi9607-1427674-477674-4713456(Top 51%)8988(Top 59%)8988(Top 170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6666

Males

5990

M18-39

5990

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6212

Males

5634

M18-39

5634

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6666

Males

5990

M18-39

5990

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7792

Males

6755

M18-39

6755

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

7912

Males

6860

M18-39

6860

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9395

Males

7661

M18-39

7661

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8863

Males

7198

M18-39

7198

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11705

Males

8568

M18-39

8568

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14103

Males

9543

M18-39

9543

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13527

Males

9187

M18-39

9187

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13549

Males

9157

M18-39

9157

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14728

Males

9619

M18-39

9619

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13424

Males

8963

M18-39

8963

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13451

Males

8944

M18-39

8944

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

13456

Males

8988

M18-39

8988

Passing Analysis

Category:
Athletes Passed
3841*
Passed By
2349
Net Change
+1492
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11099
5K → 10K2761*3+2758#11099#8341
10K → 15K6254+621#8341#7720
15K → 20K122109+13#7720#7707
20K → Half22220#7707#7707
Half → 25K46251-205#7707#7912
25K → 30K82208-126#7912#8038
30K → 20M41251-210#8038#8248
20M → 21M18351-333#8248#8581
21M → 35K12206-194#8581#8775
35K → 23M26283-257#8775#9032
23M → 24M17245-228#9032#9260
24M → 40K27196-169#9260#9429
40K → 25.2M1450-36#9429#9465
25.2M → Finish28170-142#9465#9607
TOTALS3841*2349+1492

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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