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BOSTON MARATHON 2023

Julie Luft

Bib: 15365•F

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Masters (Masters Women)
#0 / 6539
Top 14%
Division (F60-64)
#0 / 527
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:48/mi
24:14
↑ 97↓ 3451.5%
10K· 6.21 mi
7:47/mi
48:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:53/mi
1:12:55
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:37:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:43:08
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:02:22
↑ 66↓ 880.2%
30K· 18.64 mi
8:05/mi
2:27:29
↑ 181↓ 1480.2%
20M
8:12/mi
2:38:38
↑ 64↓ 500.2%
21M
8:31/mi
2:47:09
↑ 106↓ 241.6%
35K· 21.75 mi
7:45/mi
2:52:57
↑ 17↓ 861.7%
23M
8:13/mi
3:03:14
↑ 23↓ 630.6%
24M
7:50/mi
3:11:04
↓ 821.3%
40K· 24.85 mi
8:01/mi
3:17:55
↓ 200.3%
25.2M
8:39/mi
3:20:54
↑ 13↓ 160.2%
Finish· 26.22 mi
7:47/mi
3:28:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:08
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:45:42
Pace8:04 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3924:147:4824:14
7:48
-
10K
6.21 mi11:18:5148:267:4824:12
7:47
-0:01
15K
9.32 mi11:43:201:12:557:4924:29
7:53
+0:06
20K
12.43 mi12:08:111:37:467:5224:51
8:00
+0:07
Half
13.11 mi12:13:331:43:087:525:22
7:52
-0:08
25K
15.53 mi12:32:472:02:227:5319:14
7:56
+0:04
30K
18.64 mi12:57:542:27:297:5525:07
8:05
+0:09
20M
20.00 mi13:09:032:38:387:5611:09
8:12
+0:07
21M
21.00 mi13:17:342:47:097:588:31
8:31
+0:19
35K
21.75 mi13:23:222:52:577:575:48
7:45
-0:46
23M
23.00 mi13:33:393:03:147:5810:17
8:13
+0:28
24M
24.00 mi13:41:293:11:047:587:50
7:50
-0:23
40K
24.85 mi13:48:203:17:557:586:51
8:01
+0:11
25.2M
25.20 mi13:51:193:20:547:582:59
8:39
+0:38
Finish
26.22 mi13:59:153:28:507:587:56
7:47
-0:52

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

7:45 /mi

Average Pace

7:58 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25:51

99% of race

Time at Steady Pace

2:59

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi10:54:3924:147:4824:14
7:48
#12356
10K
6.21 mi11:18:5148:267:4824:12
7:47
#12656
15K
9.32 mi11:43:201:12:557:4924:29
7:53
#12912
20K
12.43 mi12:08:111:37:467:5224:51
8:00
#13017
Half
13.11 mi12:13:331:43:087:525:22
7:52
#13010
25K
15.53 mi12:32:472:02:227:5319:14
7:56
#12842
30K
18.64 mi12:57:542:27:297:5525:07
8:05
#12568
20M
20.00 mi13:09:032:38:387:5611:09
8:12
#12478
21M
21.00 mi13:17:342:47:097:588:31
8:31
#12332
35K
21.75 mi13:23:222:52:577:575:48
7:45
#12254
23M
23.00 mi13:33:393:03:147:5810:17
8:13
#12196
24M
24.00 mi13:41:293:11:047:587:50
7:50
#12087
40K
24.85 mi13:48:203:17:557:586:51
8:01
#11992
25.2M
25.20 mi13:51:193:20:547:582:59
8:39
#11967
Finish
26.22 mi13:59:153:28:507:587:56
7:47
#11912
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi123563075307513367(Top 50%)3705(Top 32%)3705(Top 703%)
10K6.21 mi3.10 mi12656-3003238-1633238-16313035(Top 49%)3446(Top 30%)3446(Top 654%)
15K9.32 mi3.11 mi12912-2563406-1683406-16813367(Top 50%)3705(Top 32%)3705(Top 703%)
20K12.43 mi3.11 mi13017-1053493-873493-8713412(Top 50%)3766(Top 33%)3766(Top 715%)
Half13.11 mi0.68 mi13010+73491+23491+213324(Top 50%)3673(Top 32%)3673(Top 697%)
25K15.53 mi2.42 mi12842+1683426+653426+6512176(Top 46%)3178(Top 28%)3178(Top 603%)
30K18.64 mi3.11 mi12568+2743298+1283298+12811552(Top 43%)2932(Top 26%)2932(Top 556%)
20M20.00 mi1.36 mi12478+903257+413257+4111750(Top 44%)3135(Top 27%)3135(Top 595%)
21M21.00 mi1.00 mi12332+1463193+643193+6410611(Top 40%)2684(Top 23%)2684(Top 509%)
35K21.75 mi0.75 mi12254+783170+233170+2310363(Top 39%)2552(Top 22%)2552(Top 484%)
23M23.00 mi1.25 mi12196+583166+43166+411293(Top 42%)3154(Top 28%)3154(Top 598%)
24M24.00 mi1.00 mi12087+1093130+363130+3610069(Top 38%)2638(Top 23%)2638(Top 501%)
40K24.85 mi0.85 mi11992+953095+353095+3510176(Top 38%)2748(Top 24%)2748(Top 521%)
25.2M25.20 mi0.35 mi11967+253085+103085+1010527(Top 40%)2953(Top 26%)2953(Top 560%)
Finish26.22 mi1.02 mi11912+553075+103075+1010602(Top 40%)2994(Top 26%)2994(Top 568%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

13367

Females

3705

F60-64

3705

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13035

Females

3446

F60-64

3446

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

13367

Females

3705

F60-64

3705

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

13412

Females

3766

F60-64

3766

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13324

Females

3673

F60-64

3673

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12176

Females

3178

F60-64

3178

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11552

Females

2932

F60-64

2932

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11750

Females

3135

F60-64

3135

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10611

Females

2684

F60-64

2684

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10363

Females

2552

F60-64

2552

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11293

Females

3154

F60-64

3154

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10069

Females

2638

F60-64

2638

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10176

Females

2748

F60-64

2748

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10527

Females

2953

F60-64

2953

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10602

Females

2994

F60-64

2994

Passing Analysis

Category:
Athletes Passed
1947
Passed By
1503
Net Change
+444
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12356
5K → 10K184484-300#12356#12656
10K → 15K102358-256#12656#12912
15K → 20K159264-105#12912#13017
20K → Half3326+7#13017#13010
Half → 25K22658+168#13010#12842
25K → 30K33561+274#12842#12568
30K → 20M14656+90#12568#12478
20M → 21M16721+146#12478#12332
21M → 35K868+78#12332#12254
35K → 23M12163+58#12254#12196
23M → 24M13021+109#12196#12087
24M → 40K11621+95#12087#11992
40K → 25.2M4520+25#11992#11967
25.2M → Finish9742+55#11967#11912
TOTALS19471503+444
📊

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