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BOSTON MARATHON 2023

Rhian Littlewood

Bib: 18028•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Division (F18-39)
#0 / 4884
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:13
Rank: #9407
Start → 5K
23:13 | 7:28/mi
10K· 6.21 mi
46:27
Rank: #9799 (-392)
5K → 10K
23:14 | 7:29/mi
15K· 9.32 mi
1:09:57
Rank: #10109 (-310)
10K → 15K
23:30 | 7:34/mi
20K· 12.43 mi
1:33:20
Rank: #9924 (+185)
15K → 20K
23:23 | 7:32/mi
Half· 13.11 mi
1:38:24
Rank: #9905 (+19)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:56:51
Rank: #9833 (+72)
Half → 25K
18:27 | 7:37/mi
30K· 18.64 mi
2:21:09
Rank: #9761 (+72)
25K → 30K
24:18 | 7:49/mi
20M
2:31:58
Rank: #9724 (+37)
30K → 20M
10:49 | 7:58/mi
21M
2:40:25
Rank: #9727 (-3)
20M → 21M
8:27 | 8:27/mi
35K· 21.75 mi
2:46:16
Rank: #9752 (-25)
21M → 35K
5:51 | 7:49/mi
23M
2:56:32
Rank: #9808 (-56)
35K → 23M
10:16 | 8:12/mi
24M
3:04:33
Rank: #9852 (-44)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:11:27
Rank: #9854 (-2)
24M → 40K
6:54 | 8:04/mi
25.2M
3:14:30
Rank: #9872 (-18)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:22:37
Rank: #9929 (-57)
25.2M → Finish
8:07 | 7:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:24
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:44:13
Pace7:57 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2623:137:2823:13
7:28
-
10K
6.21 mi11:37:4046:277:2923:14
7:29
+0:01
15K
9.32 mi12:01:101:09:577:3023:30
7:34
+0:05
20K
12.43 mi12:24:331:33:207:3123:23
7:32
-0:02
Half
13.11 mi12:29:371:38:247:305:04
7:26
-0:06
25K
15.53 mi12:48:041:56:517:3118:27
7:37
+0:11
30K
18.64 mi13:12:222:21:097:3424:18
7:49
+0:12
20M
20.00 mi13:23:112:31:587:3610:49
7:58
+0:09
21M
21.00 mi13:31:382:40:257:388:27
8:27
+0:29
35K
21.75 mi13:37:292:46:167:395:51
7:49
-0:38
23M
23.00 mi13:47:452:56:327:4110:16
8:12
+0:23
24M
24.00 mi13:55:463:04:337:418:01
8:01
-0:11
40K
24.85 mi14:02:403:11:277:426:54
8:04
+0:03
25.2M
25.20 mi14:05:433:14:307:433:03
8:51
+0:47
Finish
26.22 mi14:13:503:22:377:448:07
7:58
-0:53

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

7:26 /mi

Average Pace

7:44 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:51

89% of race

Time at Steady Pace

18:43

9% of race

Time at Slower Pace

3:03

2% of race

Average Pace: 7:44 /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 mi11:14:2623:137:2823:13
7:28
#9407
10K
6.21 mi11:37:4046:277:2923:14
7:29
#9799
15K
9.32 mi12:01:101:09:577:3023:30
7:34
#10109
20K
12.43 mi12:24:331:33:207:3123:23
7:32
#9924
Half
13.11 mi12:29:371:38:247:305:04
7:26
#9905
25K
15.53 mi12:48:041:56:517:3118:27
7:37
#9833
30K
18.64 mi13:12:222:21:097:3424:18
7:49
#9761
20M
20.00 mi13:23:112:31:587:3610:49
7:58
#9724
21M
21.00 mi13:31:382:40:257:388:27
8:27
#9727
35K
21.75 mi13:37:292:46:167:395:51
7:49
#9752
23M
23.00 mi13:47:452:56:327:4110:16
8:12
#9808
24M
24.00 mi13:55:463:04:337:418:01
8:01
#9852
40K
24.85 mi14:02:403:11:277:426:54
8:04
#9854
25.2M
25.20 mi14:05:433:14:307:433:03
8:51
#9872
Finish
26.22 mi14:13:503:22:377:448:07
7:58
#9929
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi94071585158510726(Top 40%)2195(Top 19%)2195(Top 45%)
10K6.21 mi3.10 mi9799-3921742-1571742-15710286(Top 39%)1949(Top 17%)1949(Top 40%)
15K9.32 mi3.11 mi10109-3101869-1271869-12710726(Top 40%)2195(Top 19%)2195(Top 45%)
20K12.43 mi3.11 mi9924+1851807+621807+629527(Top 36%)1701(Top 15%)1701(Top 35%)
Half13.11 mi0.68 mi9905+191795+121795+129686(Top 36%)1757(Top 15%)1757(Top 36%)
25K15.53 mi2.42 mi9833+721781+141781+149637(Top 36%)1840(Top 16%)1840(Top 38%)
30K18.64 mi3.11 mi9761+721787-61787-69535(Top 36%)1942(Top 17%)1942(Top 40%)
20M20.00 mi1.36 mi9724+371801-141801-149981(Top 37%)2212(Top 19%)2212(Top 45%)
21M21.00 mi1.00 mi9727-31818-171818-1710191(Top 38%)2466(Top 22%)2466(Top 50%)
35K21.75 mi0.75 mi9752-251847-291847-2910825(Top 41%)2777(Top 24%)2777(Top 57%)
23M23.00 mi1.25 mi9808-561912-651912-6511194(Top 42%)3106(Top 27%)3106(Top 64%)
24M24.00 mi1.00 mi9852-441962-501962-5011364(Top 43%)3259(Top 29%)3259(Top 67%)
40K24.85 mi0.85 mi9854-21995-331995-3310523(Top 40%)2885(Top 25%)2885(Top 59%)
25.2M25.20 mi0.35 mi9872-182015-202015-2011592(Top 44%)3488(Top 31%)3488(Top 71%)
Finish26.22 mi1.02 mi9929-572063-482063-4811873(Top 45%)3630(Top 32%)3630(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10726

Females

2195

F18-39

2195

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10286

Females

1949

F18-39

1949

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10726

Females

2195

F18-39

2195

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9527

Females

1701

F18-39

1701

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9686

Females

1757

F18-39

1757

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9637

Females

1840

F18-39

1840

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9535

Females

1942

F18-39

1942

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

9981

Females

2212

F18-39

2212

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10191

Females

2466

F18-39

2466

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10825

Females

2777

F18-39

2777

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11194

Females

3106

F18-39

3106

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11364

Females

3259

F18-39

3259

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10523

Females

2885

F18-39

2885

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11592

Females

3488

F18-39

3488

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

11873

Females

3630

F18-39

3630

Passing Analysis

Category:
Athletes Passed
1384*
Passed By
1903
Net Change
-522
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9407
5K → 10K156548-392#9407#9799
10K → 15K88396-310#9799#10109
15K → 20K269*84+185#10109#9924
20K → Half4021+19#9924#9905
Half → 25K14875+72#9905#9833
25K → 30K193*121+72#9833#9761
30K → 20M10669+37#9761#9724
20M → 21M6871-3#9724#9727
21M → 35K3762-25#9727#9752
35K → 23M77133-56#9752#9808
23M → 24M5094-44#9808#9852
24M → 40K6971-2#9852#9854
40K → 25.2M2442-18#9854#9872
25.2M → Finish59*116-57#9872#9929
TOTALS1384*1903-522

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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