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BOSTON MARATHON 2023

Amanda Stephens

Bib: 15377•F

TX

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 30%
Division (F18-39)
#0 / 4884
Top 48%
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
8:02/mi
24:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:59/mi
49:44
↑ 79↓ 1380.4%
15K· 9.32 mi
7:56/mi
1:14:23
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:38:51
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:44:11
↑ 19↓ 370.5%
25K· 15.53 mi
7:55/mi
2:03:22
↑ 66↓ 880.2%
30K· 18.64 mi
8:03/mi
2:28:23
↑ 181↓ 1480.2%
20M
8:09/mi
2:39:27
↑ 64↓ 500.2%
21M
8:37/mi
2:48:04
↑ 106↓ 241.6%
35K· 21.75 mi
8:08/mi
2:54:09
↑ 17↓ 861.7%
23M
8:23/mi
3:04:39
↑ 23↓ 630.6%
24M
8:14/mi
3:12:53
↓ 821.3%
40K· 24.85 mi
8:15/mi
3:19:56
↓ 200.3%
25.2M
8:39/mi
3:22:55
↑ 13↓ 160.2%
Finish· 26.22 mi
7:59/mi
3:31:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:11
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:46:52
Pace8:09 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2624:578:0224:57
8:02
-
10K
6.21 mi11:20:1349:448:0024:47
7:59
-0:03
15K
9.32 mi11:44:521:14:237:5924:39
7:56
-0:03
20K
12.43 mi12:09:201:38:517:5724:28
7:53
-0:03
Half
13.11 mi12:14:401:44:117:575:20
7:49
-0:04
25K
15.53 mi12:33:512:03:227:5619:11
7:55
+0:06
30K
18.64 mi12:58:522:28:237:5825:01
8:03
+0:08
20M
20.00 mi13:09:562:39:277:5811:04
8:09
+0:06
21M
21.00 mi13:18:332:48:048:008:37
8:37
+0:28
35K
21.75 mi13:24:382:54:098:006:05
8:08
-0:29
23M
23.00 mi13:35:083:04:398:0210:30
8:23
+0:15
24M
24.00 mi13:43:223:12:538:028:14
8:14
-0:09
40K
24.85 mi13:50:253:19:568:037:03
8:15
+0:01
25.2M
25.20 mi13:53:243:22:558:032:59
8:39
+0:24
Finish
26.22 mi14:01:323:31:038:038:08
7:59
-0:40

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

7:49 /mi

Average Pace

8:03 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:27

95% of race

Time at Steady Pace

11:36

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:03 /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 mi10:55:2624:578:0224:57
8:02
#14244
10K
6.21 mi11:20:1349:448:0024:47
7:59
#14421
15K
9.32 mi11:44:521:14:237:5924:39
7:56
#14222
20K
12.43 mi12:09:201:38:517:5724:28
7:53
#13733
Half
13.11 mi12:14:401:44:117:575:20
7:49
#13685
25K
15.53 mi12:33:512:03:227:5619:11
7:55
#13397
30K
18.64 mi12:58:522:28:237:5825:01
8:03
#12989
20M
20.00 mi13:09:562:39:277:5811:04
8:09
#12819
21M
21.00 mi13:18:332:48:048:008:37
8:37
#12686
35K
21.75 mi13:24:382:54:098:006:05
8:08
#12681
23M
23.00 mi13:35:083:04:398:0210:30
8:23
#12666
24M
24.00 mi13:43:223:12:538:028:14
8:14
#12663
40K
24.85 mi13:50:253:19:568:037:03
8:15
#12622
25.2M
25.20 mi13:53:243:22:558:032:59
8:39
#12585
Finish
26.22 mi14:01:323:31:038:038:08
7:59
#12554
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi142444172417213863(Top 52%)4003(Top 35%)4003(Top 82%)
10K6.21 mi3.10 mi14421-1774294-1224294-12214648(Top 55%)4446(Top 39%)4446(Top 91%)
15K9.32 mi3.11 mi14222+1994189+1054189+10513863(Top 52%)4003(Top 35%)4003(Top 82%)
20K12.43 mi3.11 mi13733+4893926+2633926+26312414(Top 47%)3207(Top 28%)3207(Top 66%)
Half13.11 mi0.68 mi13685+483899+273899+2712922(Top 49%)3451(Top 30%)3451(Top 71%)
25K15.53 mi2.42 mi13397+2883745+1543745+15412030(Top 45%)3094(Top 27%)3094(Top 63%)
30K18.64 mi3.11 mi12989+4083541+2043541+20411336(Top 43%)2811(Top 25%)2811(Top 58%)
20M20.00 mi1.36 mi12819+1703460+813460+8111336(Top 43%)2910(Top 25%)2910(Top 60%)
21M21.00 mi1.00 mi12686+1333404+563404+5611191(Top 42%)2973(Top 26%)2973(Top 61%)
35K21.75 mi0.75 mi12681+53417-133417-1313015(Top 49%)4001(Top 35%)4001(Top 82%)
23M23.00 mi1.25 mi12666+153429-123429-1212510(Top 47%)3800(Top 33%)3800(Top 78%)
24M24.00 mi1.00 mi12663+33455-263455-2612847(Top 48%)4046(Top 35%)4046(Top 83%)
40K24.85 mi0.85 mi12622+413442+133442+1311702(Top 44%)3514(Top 31%)3514(Top 72%)
25.2M25.20 mi0.35 mi12585+373430+123430+1210537(Top 40%)2963(Top 26%)2963(Top 61%)
Finish26.22 mi1.02 mi12554+313441-113441-1112015(Top 45%)3713(Top 33%)3713(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13863

Females

4003

F18-39

4003

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14648

Females

4446

F18-39

4446

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13863

Females

4003

F18-39

4003

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12414

Females

3207

F18-39

3207

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

12922

Females

3451

F18-39

3451

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12030

Females

3094

F18-39

3094

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11336

Females

2811

F18-39

2811

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11336

Females

2910

F18-39

2910

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11191

Females

2973

F18-39

2973

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13015

Females

4001

F18-39

4001

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12510

Females

3800

F18-39

3800

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12847

Females

4046

F18-39

4046

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11702

Females

3514

F18-39

3514

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10537

Females

2963

F18-39

2963

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12015

Females

3713

F18-39

3713

Passing Analysis

Category:
Athletes Passed
2607
Passed By
917
Net Change
+1690
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14244
5K → 10K209386-177#14244#14421
10K → 15K29899+199#14421#14222
15K → 20K50718+489#14222#13733
20K → Half557+48#13733#13685
Half → 25K31325+288#13685#13397
25K → 30K43931+408#13397#12989
30K → 20M19121+170#12989#12819
20M → 21M16633+133#12819#12686
21M → 35K4944+5#12686#12681
35K → 23M9176+15#12681#12666
23M → 24M7471+3#12666#12663
24M → 40K8039+41#12663#12622
40K → 25.2M458+37#12622#12585
25.2M → Finish9059+31#12585#12554
TOTALS2607917+1690
📊

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