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BOSTON MARATHON 2023

Rebecca Atkinson

Bib: 14553•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 30%
Gender (Female)
#0 / 11423
Top 11%
Division (F18-39)
#0 / 4884
Top 20%
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
7:38/mi
23:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:27/mi
46:50
↑ 79↓ 1380.4%
15K· 9.32 mi
7:26/mi
1:09:55
↑ 67↓ 78
20K· 12.43 mi
7:28/mi
1:33:07
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:38:09
↑ 19↓ 370.5%
25K· 15.53 mi
7:28/mi
1:56:15
↑ 66↓ 880.2%
30K· 18.64 mi
7:33/mi
2:19:43
↑ 181↓ 1480.2%
20M
7:30/mi
2:29:55
↑ 64↓ 500.2%
21M
7:46/mi
2:37:41
↑ 106↓ 241.6%
35K· 21.75 mi
7:16/mi
2:43:07
↑ 17↓ 861.7%
23M
7:34/mi
2:52:36
↑ 23↓ 630.6%
24M
7:20/mi
2:59:56
↓ 821.3%
40K· 24.85 mi
7:33/mi
3:06:23
↓ 200.3%
25.2M
7:41/mi
3:09:02
↑ 13↓ 160.2%
Finish· 26.22 mi
6:47/mi
3:15:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:38:09
Pace7:29 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:37:48
Pace7:28 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4823:427:3823:42
7:38
-
10K
6.21 mi11:15:5646:507:3223:08
7:27
-0:11
15K
9.32 mi11:39:011:09:557:3023:05
7:26
-0:01
20K
12.43 mi12:02:131:33:077:3023:12
7:28
+0:02
Half
13.11 mi12:07:151:38:097:295:02
7:23
-0:05
25K
15.53 mi12:25:211:56:157:2918:06
7:28
+0:05
30K
18.64 mi12:48:492:19:437:3023:28
7:33
+0:05
20M
20.00 mi12:59:012:29:557:3010:12
7:30
-0:03
21M
21.00 mi13:06:472:37:417:317:46
7:46
+0:16
35K
21.75 mi13:12:132:43:077:305:26
7:16
-0:30
23M
23.00 mi13:21:422:52:367:309:29
7:34
+0:18
24M
24.00 mi13:29:022:59:567:307:20
7:20
-0:14
40K
24.85 mi13:35:293:06:237:306:27
7:33
+0:13
25.2M
25.20 mi13:38:083:09:027:302:39
7:41
+0:08
Finish
26.22 mi13:45:033:15:577:296:55
6:47
-0:54

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

6:47 /mi

Average Pace

7:29 /mi

Slowest Pace

7:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:56

36% of race

Time at Steady Pace

2:05:01

64% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:28 /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 mi10:52:4823:427:3823:42
7:38
#10807
10K
6.21 mi11:15:5646:507:3223:08
7:27
#10367
15K
9.32 mi11:39:011:09:557:3023:05
7:26
#10068
20K
12.43 mi12:02:131:33:077:3023:12
7:28
#9763
Half
13.11 mi12:07:151:38:097:295:02
7:23
#9732
25K
15.53 mi12:25:211:56:157:2918:06
7:28
#9502
30K
18.64 mi12:48:492:19:437:3023:28
7:33
#9122
20M
20.00 mi12:59:012:29:557:3010:12
7:30
#8919
21M
21.00 mi13:06:472:37:417:317:46
7:46
#8725
35K
21.75 mi13:12:132:43:077:305:26
7:16
#8640
23M
23.00 mi13:21:422:52:367:309:29
7:34
#8505
24M
24.00 mi13:29:022:59:567:307:20
7:20
#8382
40K
24.85 mi13:35:293:06:237:306:27
7:33
#8301
25.2M
25.20 mi13:38:083:09:027:302:39
7:41
#8227
Finish
26.22 mi13:45:033:15:577:296:55
6:47
#8001
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10807222422249606(Top 36%)1662(Top 15%)1662(Top 34%)
10K6.21 mi3.10 mi10367+4402008+2162008+21610030(Top 38%)1832(Top 16%)1832(Top 38%)
15K9.32 mi3.11 mi10068+2991851+1571851+1579606(Top 36%)1662(Top 15%)1662(Top 34%)
20K12.43 mi3.11 mi9763+3051733+1181733+1189058(Top 34%)1510(Top 13%)1510(Top 31%)
Half13.11 mi0.68 mi9732+311722+111722+119274(Top 35%)1566(Top 14%)1566(Top 32%)
25K15.53 mi2.42 mi9502+2301646+761646+768535(Top 32%)1364(Top 12%)1364(Top 28%)
30K18.64 mi3.11 mi9122+3801531+1151531+1157618(Top 29%)1152(Top 10%)1152(Top 24%)
20M20.00 mi1.36 mi8919+2031474+571474+576848(Top 26%)973(Top 9%)973(Top 20%)
21M21.00 mi1.00 mi8725+1941412+621412+626039(Top 23%)823(Top 7%)823(Top 17%)
35K21.75 mi0.75 mi8640+851398+141398+146942(Top 26%)1083(Top 9%)1083(Top 22%)
23M23.00 mi1.25 mi8505+1351374+241374+246940(Top 26%)1152(Top 10%)1152(Top 24%)
24M24.00 mi1.00 mi8382+1231344+301344+306649(Top 25%)1131(Top 10%)1131(Top 23%)
40K24.85 mi0.85 mi8301+811337+71337+77002(Top 26%)1363(Top 12%)1363(Top 28%)
25.2M25.20 mi0.35 mi8227+741322+151322+154890(Top 18%)697(Top 6%)697(Top 14%)
Finish26.22 mi1.02 mi8001+2261253+691253+694036(Top 15%)472(Top 4%)472(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

9606

Females

1662

F18-39

1662

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10030

Females

1832

F18-39

1832

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

9606

Females

1662

F18-39

1662

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9058

Females

1510

F18-39

1510

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9274

Females

1566

F18-39

1566

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8535

Females

1364

F18-39

1364

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

7618

Females

1152

F18-39

1152

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6848

Females

973

F18-39

973

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6039

Females

823

F18-39

823

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6942

Females

1083

F18-39

1083

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6940

Females

1152

F18-39

1152

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6649

Females

1131

F18-39

1131

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7002

Females

1363

F18-39

1363

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4890

Females

697

F18-39

697

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

4036

Females

472

F18-39

472

Passing Analysis

Category:
Athletes Passed
3172*
Passed By
366
Net Change
+2806
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10807
5K → 10K562*122+440#10807#10367
10K → 15K35960+299#10367#10068
15K → 20K349*44+305#10068#9763
20K → Half5322+31#9763#9732
Half → 25K24919+230#9732#9502
25K → 30K399*19+380#9502#9122
30K → 20M21310+203#9122#8919
20M → 21M20612+194#8919#8725
21M → 35K894+85#8725#8640
35K → 23M16126+135#8640#8505
23M → 24M13411+123#8505#8382
24M → 40K9413+81#8382#8301
40K → 25.2M762+74#8301#8227
25.2M → Finish2282+226#8227#8001
TOTALS3172*366+2806

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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