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BOSTON MARATHON 2023

Julie Lajeunesse

QC

Bib: 166 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 4%
Gender (Female)
#0 / 11423
Top 0.5%
Masters (Masters Women)
#0 / 6539
Top 0.1%
Division (F40-44)
#0 / 1878
Top 0.3%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:09/mi
19:07
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:16/mi
38:34
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:18/mi
58:07
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:18/mi
1:17:40
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:21/mi
1:22:00
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:21/mi
1:37:25
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:21/mi
1:57:09
↑ 181↓ 1480.2%
138 ft elev
20M
6:23/mi
2:05:50
↑ 64↓ 500.2%
148 ft elev
21M
6:41/mi
2:12:31
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:12/mi
2:17:09
↑ 17↓ 861.7%
156 ft elev
23M
6:31/mi
2:25:19
↑ 23↓ 630.6%
116 ft elev
24M
6:19/mi
2:31:38
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:21/mi
2:37:04
↓ 200.3%
20 ft elev
25.2M
6:52/mi
2:39:26
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:08/mi
2:45:41
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:22:006:15 /mi⚡ faster
2nd Half
1:23:416:23 /mi+2.0%
Positive split — 2.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:06:0719:076:0919:07
6:09
-
10K
6.21 mi10:25:3438:346:1219:27
6:16
+0:07
15K
9.32 mi10:45:0758:076:1419:33
6:18
+0:02
20K
12.43 mi11:04:401:17:406:1519:33
6:18
0:00
Half
13.11 mi11:09:001:22:006:154:20
6:21
+0:03
25K
15.53 mi11:24:251:37:256:1615:24
6:21
0:00
30K
18.64 mi11:44:091:57:096:1719:45
6:21
0:00
20M
20.00 mi11:52:502:05:506:178:41
6:23
+0:02
21M
21.00 mi11:59:312:12:316:196:41
6:41
+0:18
35K
21.75 mi12:04:092:17:096:184:38
6:12
-0:29
23M
23.00 mi12:12:192:25:196:198:10
6:31
+0:19
24M
24.00 mi12:18:382:31:386:196:19
6:19
-0:12
40K
24.85 mi12:24:042:37:046:195:26
6:21
+0:02
25.2M
25.20 mi12:26:262:39:266:202:22
6:52
+0:31
Finish
26.22 mi12:32:412:45:416:196:15
6:08
-0:44

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

6:08 /mi

Average Pace

6:19 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:43:19

99% of race

Time at Steady Pace

2:22

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:19 /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 mi10:06:0719:076:0919:07
6:09
#1029
10K
6.21 mi10:25:3438:346:1219:27
6:16
#1224
15K
9.32 mi10:45:0758:076:1419:33
6:18
#1310
20K
12.43 mi11:04:401:17:406:1519:33
6:18
#1314
Half
13.11 mi11:09:001:22:006:154:20
6:21
#1333
25K
15.53 mi11:24:251:37:256:1615:24
6:21
#1352
30K
18.64 mi11:44:091:57:096:1719:45
6:21
#1282
20M
20.00 mi11:52:502:05:506:178:41
6:23
#1259
21M
21.00 mi11:59:312:12:316:196:41
6:41
#1230
35K
21.75 mi12:04:092:17:096:184:38
6:12
#1212
23M
23.00 mi12:12:192:25:196:198:10
6:31
#1210
24M
24.00 mi12:18:382:31:386:196:19
6:19
#1196
40K
24.85 mi12:24:042:37:046:195:26
6:21
#1182
25.2M
25.20 mi12:26:262:39:266:202:22
6:52
#1175
Finish
26.22 mi12:32:412:45:416:196:15
6:08
#1165
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi1029555516317272
10K6.21 mi3.10 mi1224-19563-863-816036969
15K9.32 mi3.11 mi1310-86636316317272
20K12.43 mi3.11 mi1314-462+162+113605959
Half13.11 mi0.68 mi1333-19626220488282
25K15.53 mi2.42 mi1352-19626215426363
30K18.64 mi3.11 mi1282+7056+656+610745151
20M20.00 mi1.36 mi1259+23565611284949
21M21.00 mi1.00 mi1230+2954+254+210635050
35K21.75 mi0.75 mi1212+18545412565858
23M23.00 mi1.25 mi1210+2545415327676
24M24.00 mi1.00 mi1196+1455-155-114087474
40K24.85 mi0.85 mi1182+1454+154+110915959
25.2M25.20 mi0.35 mi1175+7545413827171
Finish26.22 mi1.02 mi1165+1055-155-111065353

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1631

Females

72

F40-44

72

5K→10K

3.1 - 6.2 mi

Top 6%
×5story building
+79ft-138ft

Overall

1603

Females

69

F40-44

69

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1631

Females

72

F40-44

72

15K→20K

9.3 - 12.4 mi

Top 5%
×5story building
+106ft-86ft

Overall

1360

Females

59

F40-44

59

20K→Half

12.4 - 13.1 mi

Top 8%
×2story building
+19ft-37ft

Overall

2048

Females

82

F40-44

82

Half→25K

13.1 - 15.5 mi

Top 6%
×4story building
+66ft-88ft

Overall

1542

Females

63

F40-44

63

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1074

Females

51

F40-44

51

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1128

Females

49

F40-44

49

20M→21M

20.0 - 21.0 mi

Top 4%
×8story building
+106ft-24ft

Overall

1063

Females

50

F40-44

50

21M→35K

21.0 - 21.8 mi

Top 5%
×7story building
+17ft-86ft

Overall

1256

Females

58

F40-44

58

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1532

Females

76

F40-44

76

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1408

Females

74

F40-44

74

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1091

Females

59

F40-44

59

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1382

Females

71

F40-44

71

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1106

Females

53

F40-44

53

Passing Analysis

Category:
Athletes Passed
369
Passed By
505
Net Change
-136
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1029
5K → 10K7202-195#1029#1224
10K → 15K16102-86#1224#1310
15K → 20K4347-4#1310#1314
20K → Half120-19#1314#1333
Half → 25K2039-19#1333#1352
25K → 30K788+70#1352#1282
30K → 20M3512+23#1282#1259
20M → 21M378+29#1259#1230
21M → 35K268+18#1230#1212
35K → 23M2927+2#1212#1210
23M → 24M217+14#1210#1196
24M → 40K217+14#1196#1182
40K → 25.2M81+7#1182#1175
25.2M → Finish2717+10#1175#1165
TOTALS369505-136

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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