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BOSTON MARATHON 2023

Julia Negrevergne

Bib: 20034•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 35%
Masters (Masters Women)
#0 / 6539
Top 21%
Division (F40-44)
#0 / 1878
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:23
Rank: #15235
Start → 5K
8:10/mi
25:23 split
10K· 6.21 mi
49:47
Rank: #14476 (+759)
5K → 10K
7:51/mi
24:24 split
15K· 9.32 mi
1:14:19
Rank: #14168 (+308)
10K → 15K
7:54/mi
24:32 split
20K· 12.43 mi
1:39:20
Rank: #14047 (+121)
15K → 20K
8:03/mi
25:01 split
Half· 13.11 mi
1:44:48
Rank: #14073 (-26)
20K → Half
8:01/mi
5:28 split
25K· 15.53 mi
2:04:35
Rank: #14020 (+53)
Half → 25K
8:10/mi
19:47 split
30K· 18.64 mi
2:30:36
Rank: #13936 (+84)
25K → 30K
8:22/mi
26:01 split
20M
2:42:00
Rank: #13827 (+109)
30K → 20M
8:23/mi
11:24 split
21M
2:50:51
Rank: #13738 (+89)
20M → 21M
8:51/mi
8:51 split
35K· 21.75 mi
2:57:05
Rank: #13743 (-5)
21M → 35K
8:20/mi
6:14 split
23M
3:07:48
Rank: #13711 (+32)
35K → 23M
8:34/mi
10:43 split
24M
3:16:04
Rank: #13655 (+56)
23M → 24M
8:16/mi
8:16 split
40K· 24.85 mi
3:23:12
Rank: #13586 (+69)
24M → 40K
8:21/mi
7:08 split
25.2M
3:26:15
Rank: #13536 (+50)
40K → 25.2M
8:51/mi
3:03 split
Finish· 26.22 mi
3:34:26
Rank: #13481 (+55)
25.2M → Finish
8:02/mi
8:11 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:48
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:49:38
Pace8:22 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3425:238:1025:23
8:10
-
10K
6.21 mi11:41:5849:478:0124:24
7:51
-0:19
15K
9.32 mi12:06:301:14:197:5824:32
7:54
+0:03
20K
12.43 mi12:31:311:39:208:0025:01
8:03
+0:09
Half
13.11 mi12:36:591:44:488:005:28
8:01
-0:02
25K
15.53 mi12:56:462:04:358:0119:47
8:10
+0:09
30K
18.64 mi13:22:472:30:368:0526:01
8:22
+0:12
20M
20.00 mi13:34:112:42:008:0611:24
8:23
+0:01
21M
21.00 mi13:43:022:50:518:088:51
8:51
+0:28
35K
21.75 mi13:49:162:57:058:096:14
8:20
-0:31
23M
23.00 mi13:59:593:07:488:1010:43
8:34
+0:14
24M
24.00 mi14:08:153:16:048:108:16
8:16
-0:18
40K
24.85 mi14:15:233:23:128:117:08
8:21
+0:05
25.2M
25.20 mi14:18:263:26:158:113:03
8:51
+0:30
Finish
26.22 mi14:26:373:34:268:118:11
8:02
-0:49

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

7:51 /mi

Average Pace

8:11 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:32

94% of race

Time at Steady Pace

11:54

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi11:17:3425:238:1025:23
8:10
#15235
10K
6.21 mi11:41:5849:478:0124:24
7:51
#14476
15K
9.32 mi12:06:301:14:197:5824:32
7:54
#14168
20K
12.43 mi12:31:311:39:208:0025:01
8:03
#14047
Half
13.11 mi12:36:591:44:488:005:28
8:01
#14073
25K
15.53 mi12:56:462:04:358:0119:47
8:10
#14020
30K
18.64 mi13:22:472:30:368:0526:01
8:22
#13936
20M
20.00 mi13:34:112:42:008:0611:24
8:23
#13827
21M
21.00 mi13:43:022:50:518:088:51
8:51
#13738
35K
21.75 mi13:49:162:57:058:096:14
8:20
#13743
23M
23.00 mi13:59:593:07:488:1010:43
8:34
#13711
24M
24.00 mi14:08:153:16:048:108:16
8:16
#13655
40K
24.85 mi14:15:233:23:128:117:08
8:21
#13586
25.2M
25.20 mi14:18:263:26:158:113:03
8:51
#13536
Finish
26.22 mi14:26:373:34:268:118:11
8:02
#13481
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi152354794479413515(Top 51%)3788(Top 33%)3788(Top 202%)
10K6.21 mi3.10 mi14476+7594326+4684326+46813607(Top 51%)3796(Top 33%)3796(Top 202%)
15K9.32 mi3.11 mi14168+3084161+1654161+16513515(Top 51%)3788(Top 33%)3788(Top 202%)
20K12.43 mi3.11 mi14047+1214113+484113+4813869(Top 52%)4028(Top 35%)4028(Top 214%)
Half13.11 mi0.68 mi14073-264126-134126-1314512(Top 55%)4381(Top 38%)4381(Top 233%)
25K15.53 mi2.42 mi14020+534122+44122+413947(Top 52%)4183(Top 37%)4183(Top 223%)
30K18.64 mi3.11 mi13936+844106+164106+1613525(Top 51%)4039(Top 35%)4039(Top 215%)
20M20.00 mi1.36 mi13827+1094054+524054+5212977(Top 49%)3846(Top 34%)3846(Top 205%)
21M21.00 mi1.00 mi13738+894016+384016+3812566(Top 47%)3720(Top 33%)3720(Top 198%)
35K21.75 mi0.75 mi13743-54034-184034-1814298(Top 54%)4715(Top 41%)4715(Top 251%)
23M23.00 mi1.25 mi13711+324046-124046-1213596(Top 51%)4391(Top 38%)4391(Top 234%)
24M24.00 mi1.00 mi13655+564036+104036+1013079(Top 49%)4168(Top 36%)4168(Top 222%)
40K24.85 mi0.85 mi13586+694012+244012+2412371(Top 46%)3871(Top 34%)3871(Top 206%)
25.2M25.20 mi0.35 mi13536+503990+223990+2211673(Top 44%)3569(Top 31%)3569(Top 190%)
Finish26.22 mi1.02 mi13481+553982+83982+812358(Top 46%)3889(Top 34%)3889(Top 207%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13515

Females

3788

F40-44

3788

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13607

Females

3796

F40-44

3796

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13515

Females

3788

F40-44

3788

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13869

Females

4028

F40-44

4028

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14512

Females

4381

F40-44

4381

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13947

Females

4183

F40-44

4183

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13525

Females

4039

F40-44

4039

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

12977

Females

3846

F40-44

3846

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

12566

Females

3720

F40-44

3720

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14298

Females

4715

F40-44

4715

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13596

Females

4391

F40-44

4391

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13079

Females

4168

F40-44

4168

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12371

Females

3871

F40-44

3871

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11673

Females

3569

F40-44

3569

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12358

Females

3889

F40-44

3889

Passing Analysis

Category:
Athletes Passed
2658
Passed By
904
Net Change
+1754
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15235
5K → 10K83172+759#15235#14476
10K → 15K37971+308#14476#14168
15K → 20K233112+121#14168#14047
20K → Half2854-26#14047#14073
Half → 25K157104+53#14073#14020
25K → 30K235151+84#14020#13936
30K → 20M14637+109#13936#13827
20M → 21M13849+89#13827#13738
21M → 35K5459-5#13738#13743
35K → 23M10775+32#13743#13711
23M → 24M9135+56#13711#13655
24M → 40K10233+69#13655#13586
40K → 25.2M577+50#13586#13536
25.2M → Finish10045+55#13536#13481
TOTALS2658904+1754
📊

Passing Visuals

Category:
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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