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BOSTON MARATHON 2023

Holly Flood

Bib: 16660•F

IA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 20%
Masters (Masters Women)
#0 / 6539
Top 9%
Division (F40-44)
#0 / 1878
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:50
Rank: #11206
Start → 5K
23:50 | 7:40/mi
10K· 6.21 mi
47:41
Rank: #11565 (-359)
5K → 10K
23:51 | 7:41/mi
15K· 9.32 mi
1:11:46
Rank: #11780 (-215)
10K → 15K
24:05 | 7:45/mi
20K· 12.43 mi
1:35:46
Rank: #11582 (+198)
15K → 20K
24:00 | 7:43/mi
Half· 13.11 mi
1:40:55
Rank: #11518 (+64)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:59:44
Rank: #11371 (+147)
Half → 25K
18:49 | 7:46/mi
30K· 18.64 mi
2:24:15
Rank: #11076 (+295)
25K → 30K
24:31 | 7:53/mi
20M
2:35:04
Rank: #10959 (+117)
30K → 20M
10:49 | 7:58/mi
21M
2:43:23
Rank: #10850 (+109)
20M → 21M
8:19 | 8:19/mi
35K· 21.75 mi
2:49:13
Rank: #10825 (+25)
21M → 35K
5:50 | 7:48/mi
23M
2:59:11
Rank: #10731 (+94)
35K → 23M
9:58 | 7:58/mi
24M
3:06:56
Rank: #10662 (+69)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
3:13:42
Rank: #10579 (+83)
24M → 40K
6:46 | 7:55/mi
25.2M
3:16:36
Rank: #10530 (+49)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:24:17
Rank: #10441 (+89)
25.2M → Finish
7:41 | 7:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:55
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:43:22
Pace7:53 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0123:507:4023:50
7:40
-
10K
6.21 mi11:37:5247:417:4023:51
7:41
+0:01
15K
9.32 mi12:01:571:11:467:4224:05
7:45
+0:04
20K
12.43 mi12:25:571:35:467:4224:00
7:43
-0:02
Half
13.11 mi12:31:061:40:557:425:09
7:33
-0:10
25K
15.53 mi12:49:551:59:447:4218:49
7:46
+0:13
30K
18.64 mi13:14:262:24:157:4424:31
7:53
+0:07
20M
20.00 mi13:25:152:35:047:4510:49
7:58
+0:05
21M
21.00 mi13:33:342:43:237:478:19
8:19
+0:21
35K
21.75 mi13:39:242:49:137:475:50
7:48
-0:31
23M
23.00 mi13:49:222:59:117:479:58
7:58
+0:10
24M
24.00 mi13:57:073:06:567:477:45
7:45
-0:13
40K
24.85 mi14:03:533:13:427:486:46
7:55
+0:10
25.2M
25.20 mi14:06:473:16:367:482:54
8:25
+0:30
Finish
26.22 mi14:14:283:24:177:487:41
7:32
-0:53

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

7:32 /mi

Average Pace

7:48 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:04

95% of race

Time at Steady Pace

11:13

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi11:14:0123:507:4023:50
7:40
#11206
10K
6.21 mi11:37:5247:417:4023:51
7:41
#11565
15K
9.32 mi12:01:571:11:467:4224:05
7:45
#11780
20K
12.43 mi12:25:571:35:467:4224:00
7:43
#11582
Half
13.11 mi12:31:061:40:557:425:09
7:33
#11518
25K
15.53 mi12:49:551:59:447:4218:49
7:46
#11371
30K
18.64 mi13:14:262:24:157:4424:31
7:53
#11076
20M
20.00 mi13:25:152:35:047:4510:49
7:58
#10959
21M
21.00 mi13:33:342:43:237:478:19
8:19
#10850
35K
21.75 mi13:39:242:49:137:475:50
7:48
#10825
23M
23.00 mi13:49:222:59:117:479:58
7:58
#10731
24M
24.00 mi13:57:073:06:567:477:45
7:45
#10662
40K
24.85 mi14:03:533:13:427:486:46
7:55
#10579
25.2M
25.20 mi14:06:473:16:367:482:54
8:25
#10530
Finish
26.22 mi14:14:283:24:177:487:41
7:32
#10441
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi112062437243712313(Top 46%)3080(Top 27%)3080(Top 164%)
10K6.21 mi3.10 mi11565-3592636-1992636-19912034(Top 45%)2891(Top 25%)2891(Top 154%)
15K9.32 mi3.11 mi11780-2152774-1382774-13812313(Top 46%)3080(Top 27%)3080(Top 164%)
20K12.43 mi3.11 mi11582+1982672+1022672+10211112(Top 42%)2461(Top 22%)2461(Top 131%)
Half13.11 mi0.68 mi11518+642635+372635+3710676(Top 40%)2214(Top 19%)2214(Top 118%)
25K15.53 mi2.42 mi11371+1472575+602575+6010808(Top 41%)2393(Top 21%)2393(Top 127%)
30K18.64 mi3.11 mi11076+2952447+1282447+12810078(Top 38%)2199(Top 19%)2199(Top 117%)
20M20.00 mi1.36 mi10959+1172411+362411+369995(Top 38%)2226(Top 19%)2226(Top 119%)
21M21.00 mi1.00 mi10850+1092384+272384+279357(Top 35%)2082(Top 18%)2082(Top 111%)
35K21.75 mi0.75 mi10825+252386-22386-210661(Top 40%)2695(Top 24%)2695(Top 144%)
23M23.00 mi1.25 mi10731+942375+112375+119505(Top 36%)2270(Top 20%)2270(Top 121%)
24M24.00 mi1.00 mi10662+692355+202355+209453(Top 36%)2314(Top 20%)2314(Top 123%)
40K24.85 mi0.85 mi10579+832354+12354+19478(Top 36%)2393(Top 21%)2393(Top 127%)
25.2M25.20 mi0.35 mi10530+492333+212333+219038(Top 34%)2264(Top 20%)2264(Top 121%)
Finish26.22 mi1.02 mi10441+892314+192314+198876(Top 33%)2189(Top 19%)2189(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12313

Females

3080

F40-44

3080

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12034

Females

2891

F40-44

2891

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12313

Females

3080

F40-44

3080

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11112

Females

2461

F40-44

2461

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10676

Females

2214

F40-44

2214

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10808

Females

2393

F40-44

2393

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10078

Females

2199

F40-44

2199

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

9995

Females

2226

F40-44

2226

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9357

Females

2082

F40-44

2082

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

10661

Females

2695

F40-44

2695

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9505

Females

2270

F40-44

2270

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9453

Females

2314

F40-44

2314

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9478

Females

2393

F40-44

2393

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9038

Females

2264

F40-44

2264

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8876

Females

2189

F40-44

2189

Passing Analysis

Category:
Athletes Passed
2025*
Passed By
1260
Net Change
+765
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11206
5K → 10K166525-359#11206#11565
10K → 15K110325-215#11565#11780
15K → 20K27072+198#11780#11582
20K → Half717+64#11582#11518
Half → 25K19144+147#11518#11371
25K → 30K34954+295#11371#11076
30K → 20M152*35+117#11076#10959
20M → 21M13829+109#10959#10850
21M → 35K5732+25#10850#10825
35K → 23M13440+94#10825#10731
23M → 24M10132+69#10731#10662
24M → 40K10623+83#10662#10579
40K → 25.2M578+49#10579#10530
25.2M → Finish12334+89#10530#10441
TOTALS2025*1260+765

* 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