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BOSTON MARATHON 2023

Megan James

Bib: 14428•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
Division (F18-39)
#0 / 4884
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
8:17/mi
25:43
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
50:59
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:16:16
↑ 67↓ 78
20K· 12.43 mi
8:14/mi
1:41:51
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:47:04
↑ 19↓ 370.5%
25K· 15.53 mi
8:14/mi
2:07:01
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:34:20
↑ 181↓ 1480.2%
20M
9:17/mi
2:46:57
↑ 64↓ 500.2%
21M
10:14/mi
2:57:11
↑ 106↓ 241.6%
35K· 21.75 mi
8:44/mi
3:03:43
↑ 17↓ 861.7%
23M
9:31/mi
3:15:38
↑ 23↓ 630.6%
24M
8:37/mi
3:24:15
↓ 821.3%
40K· 24.85 mi
9:05/mi
3:32:01
↓ 200.3%
25.2M
9:52/mi
3:35:25
↑ 13↓ 160.2%
Finish· 26.22 mi
8:18/mi
3:43:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:04
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:56:48
Pace8:55 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1025:438:1725:43
8:17
-
10K
6.21 mi11:20:2650:598:1225:16
8:08
-0:09
15K
9.32 mi11:45:431:16:168:1125:17
8:08
0:00
20K
12.43 mi12:11:181:41:518:1225:35
8:14
+0:06
Half
13.11 mi12:16:311:47:048:105:13
7:39
-0:35
25K
15.53 mi12:36:282:07:018:1119:57
8:14
+0:35
30K
18.64 mi13:03:472:34:208:1727:19
8:48
+0:34
20M
20.00 mi13:16:242:46:578:2112:37
9:17
+0:29
21M
21.00 mi13:26:382:57:118:2610:14
10:14
+0:57
35K
21.75 mi13:33:103:03:438:276:32
8:44
-1:30
23M
23.00 mi13:45:053:15:388:3011:55
9:31
+0:47
24M
24.00 mi13:53:423:24:158:318:37
8:37
-0:54
40K
24.85 mi14:01:283:32:018:327:46
9:05
+0:28
25.2M
25.20 mi14:04:523:35:258:333:24
9:52
+0:47
Finish
26.22 mi14:13:193:43:528:338:27
8:18
-1:34

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

8:33 /mi

Slowest Pace

10:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:18

45% of race

Time at Steady Pace

1:16:38

34% of race

Time at Slower Pace

45:56

21% of race

Average Pace: 8:32 /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 mi10:55:1025:438:1725:43
8:17
#16004
10K
6.21 mi11:20:2650:598:1225:16
8:08
#15868
15K
9.32 mi11:45:431:16:168:1125:17
8:08
#15699
20K
12.43 mi12:11:181:41:518:1225:35
8:14
#15541
Half
13.11 mi12:16:311:47:048:105:13
7:39
#15363
25K
15.53 mi12:36:282:07:018:1119:57
8:14
#15188
30K
18.64 mi13:03:472:34:208:1727:19
8:48
#15333
20M
20.00 mi13:16:242:46:578:2112:37
9:17
#15544
21M
21.00 mi13:26:382:57:118:2610:14
10:14
#15780
35K
21.75 mi13:33:103:03:438:276:32
8:44
#15789
23M
23.00 mi13:45:053:15:388:3011:55
9:31
#15995
24M
24.00 mi13:53:423:24:158:318:37
8:37
#15950
40K
24.85 mi14:01:283:32:018:327:46
9:05
#15961
25.2M
25.20 mi14:04:523:35:258:333:24
9:52
#15970
Finish
26.22 mi14:13:193:43:528:338:27
8:18
#15900
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi160045286528615437(Top 58%)4940(Top 43%)4940(Top 101%)
10K6.21 mi3.10 mi15868+1365200+865200+8615773(Top 59%)5128(Top 45%)5128(Top 105%)
15K9.32 mi3.11 mi15699+1695096+1045096+10415437(Top 58%)4940(Top 43%)4940(Top 101%)
20K12.43 mi3.11 mi15541+1585018+785018+7815190(Top 57%)4831(Top 42%)4831(Top 99%)
Half13.11 mi0.68 mi15363+1784915+1034915+10311527(Top 43%)2668(Top 23%)2668(Top 55%)
25K15.53 mi2.42 mi15188+1754832+834832+8314470(Top 54%)4497(Top 39%)4497(Top 92%)
30K18.64 mi3.11 mi15333-1454970-1384970-13816009(Top 60%)5502(Top 48%)5502(Top 113%)
20M20.00 mi1.36 mi15544-2115118-1485118-14817952(Top 67%)6712(Top 59%)6712(Top 137%)
21M21.00 mi1.00 mi15780-2365288-1705288-17018824(Top 71%)7238(Top 63%)7238(Top 148%)
35K21.75 mi0.75 mi15789-95308-205308-2016606(Top 62%)6046(Top 53%)6046(Top 124%)
23M23.00 mi1.25 mi15995-2065454-1465454-14618398(Top 69%)7070(Top 62%)7070(Top 145%)
24M24.00 mi1.00 mi15950+455443+115443+1115189(Top 57%)5340(Top 47%)5340(Top 109%)
40K24.85 mi0.85 mi15961-115457-145457-1416573(Top 62%)6163(Top 54%)6163(Top 126%)
25.2M25.20 mi0.35 mi15970-95467-105467-1016841(Top 63%)6332(Top 55%)6332(Top 130%)
Finish26.22 mi1.02 mi15900+705429+385429+3814094(Top 53%)4798(Top 42%)4798(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15437

Females

4940

F18-39

4940

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15773

Females

5128

F18-39

5128

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15437

Females

4940

F18-39

4940

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15190

Females

4831

F18-39

4831

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11527

Females

2668

F18-39

2668

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14470

Females

4497

F18-39

4497

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

16009

Females

5502

F18-39

5502

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17952

Females

6712

F18-39

6712

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

18824

Females

7238

F18-39

7238

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16606

Females

6046

F18-39

6046

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18398

Females

7070

F18-39

7070

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15189

Females

5340

F18-39

5340

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16573

Females

6163

F18-39

6163

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16841

Females

6332

F18-39

6332

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

14094

Females

4798

F18-39

4798

Passing Analysis

Category:
Athletes Passed
1853
Passed By
1749
Net Change
+104
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16004
5K → 10K368232+136#16004#15868
10K → 15K278109+169#15868#15699
15K → 20K25496+158#15699#15541
20K → Half1780+178#15541#15363
Half → 25K22550+175#15363#15188
25K → 30K136281-145#15188#15333
30K → 20M31242-211#15333#15544
20M → 21M36272-236#15544#15780
21M → 35K4655-9#15780#15789
35K → 23M34240-206#15789#15995
23M → 24M9348+45#15995#15950
24M → 40K5061-11#15950#15961
40K → 25.2M2837-9#15961#15970
25.2M → Finish9626+70#15970#15900
TOTALS18531749+104
📊

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