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BOSTON MARATHON 2023

Stephanie Tran

Bib: 18035•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 28%
Division (F18-39)
#0 / 4884
Top 45%
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
24:15
↑ 97↓ 3451.5%
10K· 6.21 mi
7:42/mi
48:11
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:12:11
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:36:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:42:05
↑ 19↓ 370.5%
25K· 15.53 mi
7:55/mi
2:01:16
↑ 66↓ 880.2%
30K· 18.64 mi
8:13/mi
2:26:49
↑ 181↓ 1480.2%
20M
8:22/mi
2:38:11
↑ 64↓ 500.2%
21M
8:48/mi
2:46:59
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
2:52:57
↑ 17↓ 861.7%
23M
8:26/mi
3:03:30
↑ 23↓ 630.6%
24M
8:10/mi
3:11:40
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:18:35
↓ 200.3%
25.2M
8:54/mi
3:21:39
↑ 13↓ 160.2%
Finish· 26.22 mi
7:39/mi
3:29:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:05
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:47:22
Pace8:11 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2824:157:4824:15
7:48
-
10K
6.21 mi11:39:2448:117:4523:56
7:42
-0:06
15K
9.32 mi12:03:241:12:117:4524:00
7:43
+0:01
20K
12.43 mi12:27:591:36:467:4724:35
7:55
+0:12
Half
13.11 mi12:33:181:42:057:475:19
7:48
-0:07
25K
15.53 mi12:52:292:01:167:4819:11
7:55
+0:07
30K
18.64 mi13:18:022:26:497:5325:33
8:13
+0:18
20M
20.00 mi13:29:242:38:117:5511:22
8:22
+0:09
21M
21.00 mi13:38:122:46:597:578:48
8:48
+0:26
35K
21.75 mi13:44:102:52:577:575:58
7:59
-0:49
23M
23.00 mi13:54:433:03:307:5910:33
8:26
+0:27
24M
24.00 mi14:02:533:11:407:598:10
8:10
-0:16
40K
24.85 mi14:09:483:18:357:596:55
8:05
-0:05
25.2M
25.20 mi14:12:523:21:398:003:04
8:54
+0:49
Finish
26.22 mi14:20:403:29:278:007:48
7:39
-1:15

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

7:39 /mi

Average Pace

8:00 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:02

89% of race

Time at Steady Pace

22:25

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:59 /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 mi11:15:2824:157:4824:15
7:48
#12402
10K
6.21 mi11:39:2448:117:4523:56
7:42
#12325
15K
9.32 mi12:03:241:12:117:4524:00
7:43
#12192
20K
12.43 mi12:27:591:36:467:4724:35
7:55
#12285
Half
13.11 mi12:33:181:42:057:475:19
7:48
#12302
25K
15.53 mi12:52:292:01:167:4819:11
7:55
#12235
30K
18.64 mi13:18:022:26:497:5325:33
8:13
#12266
20M
20.00 mi13:29:242:38:117:5511:22
8:22
#12285
21M
21.00 mi13:38:122:46:597:578:48
8:48
#12272
35K
21.75 mi13:44:102:52:577:575:58
7:59
#12255
23M
23.00 mi13:54:433:03:307:5910:33
8:26
#12272
24M
24.00 mi14:02:533:11:407:598:10
8:10
#12277
40K
24.85 mi14:09:483:18:357:596:55
8:05
#12196
25.2M
25.20 mi14:12:523:21:398:003:04
8:54
#12195
Finish
26.22 mi14:20:403:29:278:007:48
7:39
#12086
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi124023101310112067(Top 45%)2935(Top 26%)2935(Top 60%)
10K6.21 mi3.10 mi12325+773055+463055+4612284(Top 46%)3032(Top 27%)3032(Top 62%)
15K9.32 mi3.11 mi12192+1333002+533002+5312067(Top 45%)2935(Top 26%)2935(Top 60%)
20K12.43 mi3.11 mi12285-933084-823084-8212735(Top 48%)3397(Top 30%)3397(Top 70%)
Half13.11 mi0.68 mi12302-173096-123096-1212712(Top 48%)3318(Top 29%)3318(Top 68%)
25K15.53 mi2.42 mi12235+673074+223074+2212027(Top 45%)3091(Top 27%)3091(Top 63%)
30K18.64 mi3.11 mi12266-313136-623136-6212503(Top 47%)3464(Top 30%)3464(Top 71%)
20M20.00 mi1.36 mi12285-193151-153151-1512794(Top 48%)3735(Top 33%)3735(Top 76%)
21M21.00 mi1.00 mi12272+133161-103161-1012267(Top 46%)3544(Top 31%)3544(Top 73%)
35K21.75 mi0.75 mi12255+173171-103171-1011972(Top 45%)3408(Top 30%)3408(Top 70%)
23M23.00 mi1.25 mi12272-173213-423213-4212758(Top 48%)3937(Top 34%)3937(Top 81%)
24M24.00 mi1.00 mi12277-53231-183231-1812399(Top 47%)3796(Top 33%)3796(Top 78%)
40K24.85 mi0.85 mi12196+813210+213210+2110678(Top 40%)2982(Top 26%)2982(Top 61%)
25.2M25.20 mi0.35 mi12195+13212-23212-211955(Top 45%)3693(Top 32%)3693(Top 76%)
Finish26.22 mi1.02 mi12086+1093173+393173+399698(Top 36%)2577(Top 23%)2577(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12067

Females

2935

F18-39

2935

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12284

Females

3032

F18-39

3032

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12067

Females

2935

F18-39

2935

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12735

Females

3397

F18-39

3397

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12712

Females

3318

F18-39

3318

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12027

Females

3091

F18-39

3091

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12503

Females

3464

F18-39

3464

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12794

Females

3735

F18-39

3735

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12267

Females

3544

F18-39

3544

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

11972

Females

3408

F18-39

3408

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12758

Females

3937

F18-39

3937

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12399

Females

3796

F18-39

3796

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10678

Females

2982

F18-39

2982

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11955

Females

3693

F18-39

3693

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

9698

Females

2577

F18-39

2577

Passing Analysis

Category:
Athletes Passed
1795
Passed By
1479
Net Change
+316
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12402
5K → 10K371294+77#12402#12325
10K → 15K258125+133#12325#12192
15K → 20K137230-93#12192#12285
20K → Half2441-17#12285#12302
Half → 25K15386+67#12302#12235
25K → 30K199230-31#12235#12266
30K → 20M93112-19#12266#12285
20M → 21M9784+13#12285#12272
21M → 35K5033+17#12272#12255
35K → 23M89106-17#12255#12272
23M → 24M5560-5#12272#12277
24M → 40K9716+81#12277#12196
40K → 25.2M3534+1#12196#12195
25.2M → Finish13728+109#12195#12086
TOTALS17951479+316
📊

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