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BOSTON MARATHON 2023

Byrne Fahey

Bib: 26922•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:51
Rank: #20285
Start → 5K
27:51 | 8:58/mi
10K· 6.21 mi
55:40
Rank: #20457 (-172)
5K → 10K
27:49 | 8:57/mi
15K· 9.32 mi
1:23:04
Rank: #20177 (+280)
10K → 15K
27:24 | 8:49/mi
20K· 12.43 mi
1:50:52
Rank: #19969 (+208)
15K → 20K
27:48 | 8:57/mi
Half· 13.11 mi
1:56:50
Rank: #19912 (+57)
20K → Half
5:58 | 8:45/mi
25K· 15.53 mi
2:18:43
Rank: #19780 (+132)
Half → 25K
21:53 | 9:02/mi
30K· 18.64 mi
2:47:35
Rank: #19550 (+230)
25K → 30K
28:52 | 9:17/mi
20M
3:00:35
Rank: #19501 (+49)
30K → 20M
13:00 | 9:34/mi
21M
3:10:55
Rank: #19479 (+22)
20M → 21M
10:20 | 10:20/mi
35K· 21.75 mi
3:17:44
Rank: #19428 (+51)
21M → 35K
6:49 | 9:07/mi
23M
3:29:50
Rank: #19415 (+13)
35K → 23M
12:06 | 9:40/mi
24M
3:39:24
Rank: #19415
23M → 24M
9:34 | 9:34/mi
40K· 24.85 mi
3:47:37
Rank: #19420 (-5)
24M → 40K
8:13 | 9:37/mi
25.2M
3:51:28
Rank: #19456 (-36)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
4:01:30
Rank: #19542 (-86)
25.2M → Finish
10:02 | 9:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:50
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:04:40
Pace9:31 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:5627:518:5827:51
8:58
-
10K
6.21 mi12:13:4555:408:5827:49
8:57
-0:01
15K
9.32 mi12:41:091:23:048:5527:24
8:49
-0:08
20K
12.43 mi13:08:571:50:528:5527:48
8:57
+0:08
Half
13.11 mi13:14:551:56:508:555:58
8:45
-0:12
25K
15.53 mi13:36:482:18:438:5621:53
9:02
+0:17
30K
18.64 mi14:05:402:47:358:5928:52
9:17
+0:15
20M
20.00 mi14:18:403:00:359:0213:00
9:34
+0:17
21M
21.00 mi14:29:003:10:559:0510:20
10:20
+0:46
35K
21.75 mi14:35:493:17:449:066:49
9:07
-1:13
23M
23.00 mi14:47:553:29:509:0712:06
9:40
+0:33
24M
24.00 mi14:57:293:39:249:099:34
9:34
-0:06
40K
24.85 mi15:05:423:47:379:098:13
9:37
+0:03
25.2M
25.20 mi15:09:333:51:289:113:51
11:10
+1:33
Finish
26.22 mi15:19:354:01:309:1310:02
9:51
-1:19

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

8:45 /mi

Average Pace

9:13 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:50

48% of race

Time at Steady Pace

1:20:08

33% of race

Time at Slower Pace

44:32

18% of race

Average Pace: 9:13 /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 mi11:45:5627:518:5827:51
8:58
#20285
10K
6.21 mi12:13:4555:408:5827:49
8:57
#20457
15K
9.32 mi12:41:091:23:048:5527:24
8:49
#20177
20K
12.43 mi13:08:571:50:528:5527:48
8:57
#19969
Half
13.11 mi13:14:551:56:508:555:58
8:45
#19912
25K
15.53 mi13:36:482:18:438:5621:53
9:02
#19780
30K
18.64 mi14:05:402:47:358:5928:52
9:17
#19550
20M
20.00 mi14:18:403:00:359:0213:00
9:34
#19501
21M
21.00 mi14:29:003:10:559:0510:20
10:20
#19479
35K
21.75 mi14:35:493:17:449:066:49
9:07
#19428
23M
23.00 mi14:47:553:29:509:0712:06
9:40
#19415
24M
24.00 mi14:57:293:39:249:099:34
9:34
#19415
40K
24.85 mi15:05:423:47:379:098:13
9:37
#19420
25.2M
25.20 mi15:09:333:51:289:113:51
11:10
#19456
Finish
26.22 mi15:19:354:01:309:1310:02
9:51
#19542
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi202857992799219631(Top 74%)7462(Top 65%)7462(Top 153%)
10K6.21 mi3.10 mi20457-1728006-148006-1420700(Top 78%)8089(Top 71%)8089(Top 166%)
15K9.32 mi3.11 mi20177+2807834+1727834+17219631(Top 74%)7462(Top 65%)7462(Top 153%)
20K12.43 mi3.11 mi19969+2087710+1247710+12419462(Top 73%)7361(Top 64%)7361(Top 151%)
Half13.11 mi0.68 mi19912+577672+387672+3819252(Top 72%)7243(Top 63%)7243(Top 148%)
25K15.53 mi2.42 mi19780+1327596+767596+7619107(Top 72%)7194(Top 63%)7194(Top 147%)
30K18.64 mi3.11 mi19550+2307458+1387458+13818602(Top 70%)6976(Top 61%)6976(Top 143%)
20M20.00 mi1.36 mi19501+497453+57453+519119(Top 72%)7360(Top 64%)7360(Top 151%)
21M21.00 mi1.00 mi19479+227448+57448+519131(Top 72%)7417(Top 65%)7417(Top 152%)
35K21.75 mi0.75 mi19428+517421+277421+2718417(Top 69%)7067(Top 62%)7067(Top 145%)
23M23.00 mi1.25 mi19415+137412+97412+918962(Top 71%)7384(Top 65%)7384(Top 151%)
24M24.00 mi1.00 mi194157428-167428-1619453(Top 73%)7692(Top 67%)7692(Top 157%)
40K24.85 mi0.85 mi19420-57444-167444-1618753(Top 70%)7362(Top 64%)7362(Top 151%)
25.2M25.20 mi0.35 mi19456-367469-257469-2520840(Top 78%)8492(Top 74%)8492(Top 174%)
Finish26.22 mi1.02 mi19542-867529-607529-6021309(Top 80%)8720(Top 76%)8720(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19631

Females

7462

F18-39

7462

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

20700

Females

8089

F18-39

8089

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19631

Females

7462

F18-39

7462

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19462

Females

7361

F18-39

7361

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19252

Females

7243

F18-39

7243

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19107

Females

7194

F18-39

7194

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18602

Females

6976

F18-39

6976

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19119

Females

7360

F18-39

7360

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

19131

Females

7417

F18-39

7417

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

18417

Females

7067

F18-39

7067

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18962

Females

7384

F18-39

7384

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

19453

Females

7692

F18-39

7692

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18753

Females

7362

F18-39

7362

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20840

Females

8492

F18-39

8492

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21309

Females

8720

F18-39

8720

Passing Analysis

Category:
Athletes Passed
1861
Passed By
1118
Net Change
+743
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20285
5K → 10K221393-172#20285#20457
10K → 15K34868+280#20457#20177
15K → 20K27264+208#20177#19969
20K → Half6811+57#19969#19912
Half → 25K18755+132#19912#19780
25K → 30K28555+230#19780#19550
30K → 20M10657+49#19550#19501
20M → 21M8765+22#19501#19479
21M → 35K7120+51#19479#19428
35K → 23M8370+13#19428#19415
23M → 24M55550#19415#19415
24M → 40K5055-5#19415#19420
40K → 25.2M1147-36#19420#19456
25.2M → Finish17103-86#19456#19542
TOTALS18611118+743
📊

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