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BOSTON MARATHON 2023

Berenice Blain

Bib: 30299•F

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
30:24
Rank: #22873
Start → 5K
30:24 | 9:47/mi
10K· 6.21 mi
59:43
Rank: #22636 (+237)
5K → 10K
29:19 | 9:26/mi
15K· 9.32 mi
1:28:25
Rank: #22269 (+367)
10K → 15K
28:42 | 9:14/mi
20K· 12.43 mi
1:57:17
Rank: #21914 (+355)
15K → 20K
28:52 | 9:17/mi
Half· 13.11 mi
2:03:40
Rank: #21891 (+23)
20K → Half
6:23 | 9:21/mi
25K· 15.53 mi
2:26:54
Rank: #21751 (+140)
Half → 25K
23:14 | 9:35/mi
30K· 18.64 mi
2:58:20
Rank: #21660 (+91)
25K → 30K
31:26 | 10:07/mi
20M
3:12:26
Rank: #21641 (+19)
30K → 20M
14:06 | 10:23/mi
21M
3:23:04
Rank: #21557 (+84)
20M → 21M
10:38 | 10:38/mi
35K· 21.75 mi
3:30:15
Rank: #21502 (+55)
21M → 35K
7:11 | 9:36/mi
23M
3:42:47
Rank: #21407 (+95)
35K → 23M
12:32 | 10:01/mi
24M
3:52:26
Rank: #21325 (+82)
23M → 24M
9:39 | 9:39/mi
40K· 24.85 mi
4:01:02
Rank: #21267 (+58)
24M → 40K
8:36 | 10:04/mi
25.2M
4:04:46
Rank: #21247 (+20)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
4:14:15
Rank: #21179 (+68)
25.2M → Finish
9:29 | 9:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:40
Pace9:26 /mi
2nd Half
Distance13.11 mi
Time2:10:35
Pace9:58 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0830:249:4730:24
9:47
-
10K
6.21 mi12:17:2759:439:3729:19
9:26
-0:21
15K
9.32 mi12:46:091:28:259:2928:42
9:14
-0:12
20K
12.43 mi13:15:011:57:179:2628:52
9:17
+0:03
Half
13.11 mi13:21:242:03:409:266:23
9:21
+0:04
25K
15.53 mi13:44:382:26:549:2723:14
9:35
+0:14
30K
18.64 mi14:16:042:58:209:3431:26
10:07
+0:32
20M
20.00 mi14:30:103:12:269:3714:06
10:23
+0:16
21M
21.00 mi14:40:483:23:049:4010:38
10:38
+0:15
35K
21.75 mi14:47:593:30:159:407:11
9:36
-1:02
23M
23.00 mi15:00:313:42:479:4112:32
10:01
+0:25
24M
24.00 mi15:10:103:52:269:419:39
9:39
-0:22
40K
24.85 mi15:18:464:01:029:428:36
10:04
+0:25
25.2M
25.20 mi15:22:304:04:469:433:44
10:50
+0:46
Finish
26.22 mi15:31:594:14:159:429:29
9:18
-1:32

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

9:14 /mi

Average Pace

9:42 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:45:47

89% of race

Time at Steady Pace

28:28

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:42 /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 mi11:48:0830:249:4730:24
9:47
#22873
10K
6.21 mi12:17:2759:439:3729:19
9:26
#22636
15K
9.32 mi12:46:091:28:259:2928:42
9:14
#22269
20K
12.43 mi13:15:011:57:179:2628:52
9:17
#21914
Half
13.11 mi13:21:242:03:409:266:23
9:21
#21891
25K
15.53 mi13:44:382:26:549:2723:14
9:35
#21751
30K
18.64 mi14:16:042:58:209:3431:26
10:07
#21660
20M
20.00 mi14:30:103:12:269:3714:06
10:23
#21641
21M
21.00 mi14:40:483:23:049:4010:38
10:38
#21557
35K
21.75 mi14:47:593:30:159:407:11
9:36
#21502
23M
23.00 mi15:00:313:42:479:4112:32
10:01
#21407
24M
24.00 mi15:10:103:52:269:419:39
9:39
#21325
40K
24.85 mi15:18:464:01:029:428:36
10:04
#21267
25.2M
25.20 mi15:22:304:04:469:433:44
10:50
#21247
Finish
26.22 mi15:31:594:14:159:429:29
9:18
#21179
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi228739314931421438(Top 81%)8469(Top 74%)8469(Top 173%)
10K6.21 mi3.10 mi22636+2379165+1499165+14922327(Top 84%)8993(Top 79%)8993(Top 184%)
15K9.32 mi3.11 mi22269+3678972+1938972+19321438(Top 81%)8469(Top 74%)8469(Top 173%)
20K12.43 mi3.11 mi21914+3558784+1888784+18820938(Top 79%)8200(Top 72%)8200(Top 168%)
Half13.11 mi0.68 mi21891+238770+148770+1421707(Top 82%)8632(Top 76%)8632(Top 177%)
25K15.53 mi2.42 mi21751+1408683+878683+8721102(Top 79%)8324(Top 73%)8324(Top 170%)
30K18.64 mi3.11 mi21660+918644+398644+3921329(Top 80%)8532(Top 75%)8532(Top 175%)
20M20.00 mi1.36 mi21641+198644864421465(Top 81%)8677(Top 76%)8677(Top 178%)
21M21.00 mi1.00 mi21557+848608+368608+3619988(Top 75%)7927(Top 69%)7927(Top 162%)
35K21.75 mi0.75 mi21502+558588+208588+2020193(Top 76%)8050(Top 70%)8050(Top 165%)
23M23.00 mi1.25 mi21407+958550+388550+3820028(Top 75%)7973(Top 70%)7973(Top 163%)
24M24.00 mi1.00 mi21325+828523+278523+2719747(Top 74%)7838(Top 69%)7838(Top 160%)
40K24.85 mi0.85 mi21267+588498+258498+2520148(Top 76%)8138(Top 71%)8138(Top 167%)
25.2M25.20 mi0.35 mi21247+208490+88490+820080(Top 75%)8111(Top 71%)8111(Top 166%)
Finish26.22 mi1.02 mi21179+688466+248466+2419425(Top 73%)7694(Top 67%)7694(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21438

Females

8469

F18-39

8469

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22327

Females

8993

F18-39

8993

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21438

Females

8469

F18-39

8469

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

20938

Females

8200

F18-39

8200

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21707

Females

8632

F18-39

8632

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

21102

Females

8324

F18-39

8324

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21329

Females

8532

F18-39

8532

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21465

Females

8677

F18-39

8677

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

19988

Females

7927

F18-39

7927

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20193

Females

8050

F18-39

8050

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

20028

Females

7973

F18-39

7973

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

19747

Females

7838

F18-39

7838

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20148

Females

8138

F18-39

8138

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20080

Females

8111

F18-39

8111

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19425

Females

7694

F18-39

7694

Passing Analysis

Category:
Athletes Passed
2157
Passed By
463
Net Change
+1694
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22873
5K → 10K383146+237#22873#22636
10K → 15K39225+367#22636#22269
15K → 20K37015+355#22269#21914
20K → Half3512+23#21914#21891
Half → 25K17636+140#21891#21751
25K → 30K17988+91#21751#21660
30K → 20M6950+19#21660#21641
20M → 21M10521+84#21641#21557
21M → 35K627+55#21557#21502
35K → 23M11015+95#21502#21407
23M → 24M9311+82#21407#21325
24M → 40K7517+58#21325#21267
40K → 25.2M3313+20#21267#21247
25.2M → Finish757+68#21247#21179
TOTALS2157463+1694
📊

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