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BOSTON MARATHON 2023

Fiona O'mahony

Bib: 20360•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
Masters (Masters Women)
#0 / 6539
Top 38%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:04
Rank: #16812
Start → 5K
26:04 | 8:23/mi
10K· 6.21 mi
51:40
Rank: #16621 (+191)
5K → 10K
25:36 | 8:14/mi
15K· 9.32 mi
1:17:53
Rank: #16896 (-275)
10K → 15K
26:13 | 8:26/mi
20K· 12.43 mi
1:44:15
Rank: #16852 (+44)
15K → 20K
26:22 | 8:29/mi
Half· 13.11 mi
1:50:02
Rank: #16903 (-51)
20K → Half
5:47 | 8:29/mi
25K· 15.53 mi
2:10:53
Rank: #16894 (+9)
Half → 25K
20:51 | 8:36/mi
30K· 18.64 mi
2:38:24
Rank: #16755 (+139)
25K → 30K
27:31 | 8:51/mi
20M
2:50:30
Rank: #16696 (+59)
30K → 20M
12:06 | 8:54/mi
21M
2:59:40
Rank: #16527 (+169)
20M → 21M
9:10 | 9:10/mi
35K· 21.75 mi
3:06:01
Rank: #16465 (+62)
21M → 35K
6:21 | 8:29/mi
23M
3:16:52
Rank: #16332 (+133)
35K → 23M
10:51 | 8:40/mi
24M
3:25:17
Rank: #16198 (+134)
23M → 24M
8:25 | 8:25/mi
40K· 24.85 mi
3:32:40
Rank: #16119 (+79)
24M → 40K
7:23 | 8:38/mi
25.2M
3:35:54
Rank: #16084 (+35)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:44:37
Rank: #16080 (+4)
25.2M → Finish
8:43 | 8:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:02
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:54:35
Pace8:44 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:3626:048:2326:04
8:23
-
10K
6.21 mi12:07:1251:408:1925:36
8:14
-0:09
15K
9.32 mi12:33:251:17:538:2126:13
8:26
+0:12
20K
12.43 mi12:59:471:44:158:2326:22
8:29
+0:03
Half
13.11 mi13:05:341:50:028:245:47
8:29
0:00
25K
15.53 mi13:26:252:10:538:2620:51
8:36
+0:07
30K
18.64 mi13:53:562:38:248:3027:31
8:51
+0:15
20M
20.00 mi14:06:022:50:308:3112:06
8:54
+0:03
21M
21.00 mi14:15:122:59:408:339:10
9:10
+0:16
35K
21.75 mi14:21:333:06:018:336:21
8:29
-0:41
23M
23.00 mi14:32:243:16:528:3410:51
8:40
+0:11
24M
24.00 mi14:40:493:25:178:338:25
8:25
-0:15
40K
24.85 mi14:48:123:32:408:337:23
8:38
+0:13
25.2M
25.20 mi14:51:263:35:548:343:14
9:23
+0:45
Finish
26.22 mi15:00:093:44:378:348:43
8:33
-0:50

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

8:14 /mi

Average Pace

8:34 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32:13

94% of race

Time at Steady Pace

12:24

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:34 /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 mi11:41:3626:048:2326:04
8:23
#16812
10K
6.21 mi12:07:1251:408:1925:36
8:14
#16621
15K
9.32 mi12:33:251:17:538:2126:13
8:26
#16896
20K
12.43 mi12:59:471:44:158:2326:22
8:29
#16852
Half
13.11 mi13:05:341:50:028:245:47
8:29
#16903
25K
15.53 mi13:26:252:10:538:2620:51
8:36
#16894
30K
18.64 mi13:53:562:38:248:3027:31
8:51
#16755
20M
20.00 mi14:06:022:50:308:3112:06
8:54
#16696
21M
21.00 mi14:15:122:59:408:339:10
9:10
#16527
35K
21.75 mi14:21:333:06:018:336:21
8:29
#16465
23M
23.00 mi14:32:243:16:528:3410:51
8:40
#16332
24M
24.00 mi14:40:493:25:178:338:25
8:25
#16198
40K
24.85 mi14:48:123:32:408:337:23
8:38
#16119
25.2M
25.20 mi14:51:263:35:548:343:14
9:23
#16084
Finish
26.22 mi15:00:093:44:378:348:43
8:33
#16080
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi168125802580217393(Top 65%)6152(Top 54%)6152(Top 328%)
10K6.21 mi3.10 mi16621+1915657+1455657+14516536(Top 62%)5601(Top 49%)5601(Top 298%)
15K9.32 mi3.11 mi16896-2755851-1945851-19417393(Top 65%)6152(Top 54%)6152(Top 328%)
20K12.43 mi3.11 mi16852+445836+155836+1516772(Top 63%)5798(Top 51%)5798(Top 309%)
Half13.11 mi0.68 mi16903-515869-335869-3317597(Top 66%)6234(Top 55%)6234(Top 332%)
25K15.53 mi2.42 mi16894+95890-215890-2116806(Top 63%)5896(Top 52%)5896(Top 314%)
30K18.64 mi3.11 mi16755+1395828+625828+6216420(Top 62%)5738(Top 50%)5738(Top 306%)
20M20.00 mi1.36 mi16696+595808+205808+2016036(Top 60%)5592(Top 49%)5592(Top 298%)
21M21.00 mi1.00 mi16527+1695725+835725+8314343(Top 54%)4691(Top 41%)4691(Top 250%)
35K21.75 mi0.75 mi16465+625694+315694+3115284(Top 57%)5288(Top 46%)5288(Top 282%)
23M23.00 mi1.25 mi16332+1335634+605634+6014203(Top 53%)4733(Top 41%)4733(Top 252%)
24M24.00 mi1.00 mi16198+1345576+585576+5814015(Top 53%)4689(Top 41%)4689(Top 250%)
40K24.85 mi0.85 mi16119+795541+355541+3514201(Top 53%)4863(Top 43%)4863(Top 259%)
25.2M25.20 mi0.35 mi16084+355521+205521+2014639(Top 55%)5105(Top 45%)5105(Top 272%)
Finish26.22 mi1.02 mi16080+45534-135534-1315756(Top 59%)5676(Top 50%)5676(Top 302%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17393

Females

6152

F40-44

6152

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

16536

Females

5601

F40-44

5601

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17393

Females

6152

F40-44

6152

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16772

Females

5798

F40-44

5798

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17597

Females

6234

F40-44

6234

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

16806

Females

5896

F40-44

5896

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16420

Females

5738

F40-44

5738

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16036

Females

5592

F40-44

5592

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14343

Females

4691

F40-44

4691

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

15284

Females

5288

F40-44

5288

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14203

Females

4733

F40-44

4733

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14015

Females

4689

F40-44

4689

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14201

Females

4863

F40-44

4863

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14639

Females

5105

F40-44

5105

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15756

Females

5676

F40-44

5676

Passing Analysis

Category:
Athletes Passed
1975
Passed By
1243
Net Change
+732
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16812
5K → 10K408217+191#16812#16621
10K → 15K107382-275#16621#16896
15K → 20K201157+44#16896#16852
20K → Half1465-51#16852#16903
Half → 25K124115+9#16903#16894
25K → 30K23293+139#16894#16755
30K → 20M10950+59#16755#16696
20M → 21M18617+169#16696#16527
21M → 35K7816+62#16527#16465
35K → 23M15320+133#16465#16332
23M → 24M14915+134#16332#16198
24M → 40K9920+79#16198#16119
40K → 25.2M4712+35#16119#16084
25.2M → Finish6864+4#16084#16080
TOTALS19751243+732
📊

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