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BOSTON MARATHON 2023

Michael O'Donnell

Bib: 24599•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 41%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:44
Rank: #10903
Start → 5K
23:44 | 7:38/mi
10K· 6.21 mi
47:27
Rank: #11224 (-321)
5K → 10K
23:43 | 7:38/mi
15K· 9.32 mi
1:11:14
Rank: #11299 (-75)
10K → 15K
23:47 | 7:39/mi
20K· 12.43 mi
1:35:05
Rank: #11109 (+190)
15K → 20K
23:51 | 7:41/mi
Half· 13.11 mi
1:40:16
Rank: #11107 (+2)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:59:10
Rank: #11065 (+42)
Half → 25K
18:54 | 7:48/mi
30K· 18.64 mi
2:23:35
Rank: #10798 (+267)
25K → 30K
24:25 | 7:52/mi
20M
2:34:18
Rank: #10682 (+116)
30K → 20M
10:43 | 7:53/mi
21M
2:42:32
Rank: #10527 (+155)
20M → 21M
8:14 | 8:14/mi
35K· 21.75 mi
2:48:04
Rank: #10406 (+121)
21M → 35K
5:32 | 7:24/mi
23M
2:57:39
Rank: #10210 (+196)
35K → 23M
9:35 | 7:39/mi
24M
3:05:14
Rank: #10090 (+120)
23M → 24M
7:35 | 7:35/mi
40K· 24.85 mi
3:11:56
Rank: #10015 (+75)
24M → 40K
6:42 | 7:50/mi
25.2M
3:14:50
Rank: #9975 (+40)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:22:27
Rank: #9861 (+114)
25.2M → Finish
7:37 | 7:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:16
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:42:11
Pace7:48 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:38:5523:447:3823:44
7:38
-
10K
6.21 mi12:02:3847:277:3823:43
7:38
0:00
15K
9.32 mi12:26:251:11:147:3923:47
7:39
+0:01
20K
12.43 mi12:50:161:35:057:3923:51
7:41
+0:02
Half
13.11 mi12:55:271:40:167:395:11
7:36
-0:05
25K
15.53 mi13:14:211:59:107:4018:54
7:48
+0:12
30K
18.64 mi13:38:462:23:357:4224:25
7:52
+0:04
20M
20.00 mi13:49:292:34:187:4310:43
7:53
+0:01
21M
21.00 mi13:57:432:42:327:448:14
8:14
+0:21
35K
21.75 mi14:03:152:48:047:445:32
7:24
-0:50
23M
23.00 mi14:12:502:57:397:439:35
7:39
+0:15
24M
24.00 mi14:20:253:05:147:437:35
7:35
-0:04
40K
24.85 mi14:27:073:11:567:436:42
7:50
+0:15
25.2M
25.20 mi14:30:013:14:507:442:54
8:25
+0:35
Finish
26.22 mi14:37:383:22:277:447:37
7:28
-0:57

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

7:24 /mi

Average Pace

7:44 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:19

95% of race

Time at Steady Pace

11:08

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi11:38:5523:447:3823:44
7:38
#10903
10K
6.21 mi12:02:3847:277:3823:43
7:38
#11224
15K
9.32 mi12:26:251:11:147:3923:47
7:39
#11299
20K
12.43 mi12:50:161:35:057:3923:51
7:41
#11109
Half
13.11 mi12:55:271:40:167:395:11
7:36
#11107
25K
15.53 mi13:14:211:59:107:4018:54
7:48
#11065
30K
18.64 mi13:38:462:23:357:4224:25
7:52
#10798
20M
20.00 mi13:49:292:34:187:4310:43
7:53
#10682
21M
21.00 mi13:57:432:42:327:448:14
8:14
#10527
35K
21.75 mi14:03:152:48:047:445:32
7:24
#10406
23M
23.00 mi14:12:502:57:397:439:35
7:39
#10210
24M
24.00 mi14:20:253:05:147:437:35
7:35
#10090
40K
24.85 mi14:27:073:11:567:436:42
7:50
#10015
25.2M
25.20 mi14:30:013:14:507:442:54
8:25
#9975
Finish
26.22 mi14:37:383:22:277:447:37
7:28
#9861
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi109038608860811448(Top 43%)8831(Top 58%)8831(Top 392%)
10K6.21 mi3.10 mi11224-3218756-1488756-14811614(Top 44%)8935(Top 59%)8935(Top 397%)
15K9.32 mi3.11 mi11299-758793-378793-3711448(Top 43%)8831(Top 58%)8831(Top 392%)
20K12.43 mi3.11 mi11109+1908708+858708+8510708(Top 40%)8429(Top 56%)8429(Top 374%)
Half13.11 mi0.68 mi11107+28701+78701+710929(Top 41%)8568(Top 56%)8568(Top 380%)
25K15.53 mi2.42 mi11065+428659+428659+4211034(Top 41%)8514(Top 56%)8514(Top 378%)
30K18.64 mi3.11 mi10798+2678484+1758484+1759810(Top 37%)7726(Top 51%)7726(Top 343%)
20M20.00 mi1.36 mi10682+1168392+928392+929457(Top 36%)7448(Top 49%)7448(Top 331%)
21M21.00 mi1.00 mi10527+1558294+988294+988795(Top 33%)6950(Top 46%)6950(Top 309%)
35K21.75 mi0.75 mi10406+1218219+758219+757773(Top 29%)6369(Top 42%)6369(Top 283%)
23M23.00 mi1.25 mi10210+1968096+1238096+1237458(Top 28%)6099(Top 40%)6099(Top 271%)
24M24.00 mi1.00 mi10090+1208007+898007+898285(Top 31%)6490(Top 43%)6490(Top 288%)
40K24.85 mi0.85 mi10015+757932+757932+758898(Top 33%)6760(Top 45%)6760(Top 300%)
25.2M25.20 mi0.35 mi9975+407894+387894+388930(Top 34%)6703(Top 44%)6703(Top 298%)
Finish26.22 mi1.02 mi9861+1147818+767818+768361(Top 31%)6377(Top 42%)6377(Top 283%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

11448

Males

8831

M45-49

8831

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11614

Males

8935

M45-49

8935

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

11448

Males

8831

M45-49

8831

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10708

Males

8429

M45-49

8429

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

10929

Males

8568

M45-49

8568

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

11034

Males

8514

M45-49

8514

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9810

Males

7726

M45-49

7726

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9457

Males

7448

M45-49

7448

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8795

Males

6950

M45-49

6950

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7773

Males

6369

M45-49

6369

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7458

Males

6099

M45-49

6099

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8285

Males

6490

M45-49

6490

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8898

Males

6760

M45-49

6760

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

8930

Males

6703

M45-49

6703

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8361

Males

6377

M45-49

6377

Passing Analysis

Category:
Athletes Passed
2138*
Passed By
1096
Net Change
+1042
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10903
5K → 10K170491-321#10903#11224
10K → 15K154229-75#11224#11299
15K → 20K25767+190#11299#11109
20K → Half2422+2#11109#11107
Half → 25K13997+42#11107#11065
25K → 30K32255+267#11065#10798
30K → 20M144*28+116#10798#10682
20M → 21M16914+155#10682#10527
21M → 35K1276+121#10527#10406
35K → 23M2026+196#10406#10210
23M → 24M13919+120#10210#10090
24M → 40K9722+75#10090#10015
40K → 25.2M53*13+40#10015#9975
25.2M → Finish141*27+114#9975#9861
TOTALS2138*1096+1042

* 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