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BOSTON MARATHON 2023

Jill Robinson

Bib: 15212•F

BC

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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 42%
Age Group (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
24:58
Rank: #14280
Start → 5K
24:58 | 8:02/mi
10K· 6.21 mi
49:49
Rank: #14514 (-234)
5K → 10K
24:51 | 8:00/mi
15K· 9.32 mi
1:14:28
Rank: #14286 (+228)
10K → 15K
24:39 | 7:56/mi
20K· 12.43 mi
1:39:41
Rank: #14268 (+18)
15K → 20K
25:13 | 8:07/mi
Half· 13.11 mi
1:45:01
Rank: #14207 (+61)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:04:44
Rank: #14097 (+110)
Half → 25K
19:43 | 8:08/mi
30K· 18.64 mi
2:30:35
Rank: #13930 (+167)
25K → 30K
25:51 | 8:19/mi
20M
2:42:19
Rank: #13963 (-33)
30K → 20M
11:44 | 8:38/mi
21M
2:51:46
Rank: #14066 (-103)
20M → 21M
9:27 | 9:27/mi
35K· 21.75 mi
2:58:23
Rank: #14189 (-123)
21M → 35K
6:37 | 8:51/mi
23M
3:09:58
Rank: #14403 (-214)
35K → 23M
11:35 | 9:15/mi
24M
3:19:47
Rank: #14738 (-335)
23M → 24M
9:49 | 9:49/mi
40K· 24.85 mi
3:27:37
Rank: #14808 (-70)
24M → 40K
7:50 | 9:10/mi
25.2M
3:30:58
Rank: #14817 (-9)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:39:49
Rank: #14899 (-82)
25.2M → Finish
8:51 | 8:41/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:45:01
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:54:48
Pace8:45 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:0124:588:0224:58
8:02
-
10K
6.21 mi11:20:5249:498:0124:51
8:00
-0:02
15K
9.32 mi11:45:311:14:287:5924:39
7:56
-0:04
20K
12.43 mi12:10:441:39:418:0125:13
8:07
+0:11
Half
13.11 mi12:16:041:45:018:015:20
7:49
-0:18
25K
15.53 mi12:35:472:04:448:0219:43
8:08
+0:19
30K
18.64 mi13:01:382:30:358:0525:51
8:19
+0:11
20M
20.00 mi13:13:222:42:198:0711:44
8:38
+0:19
21M
21.00 mi13:22:492:51:468:119:27
9:27
+0:49
35K
21.75 mi13:29:262:58:238:126:37
8:51
-0:36
23M
23.00 mi13:41:013:09:588:1611:35
9:15
+0:24
24M
24.00 mi13:50:503:19:478:199:49
9:49
+0:34
40K
24.85 mi13:58:403:27:378:217:50
9:10
-0:39
25.2M
25.20 mi14:02:013:30:588:223:21
9:43
+0:33
Finish
26.22 mi14:10:523:39:498:238:51
8:41
-1:02

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:23 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:04:44

57% of race

Time at Steady Pace

53:03

24% of race

Time at Slower Pace

42:02

19% of race

Average Pace: 8:23 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:56:0124:588:0224:58
8:02
#14280
10K
6.21 mi11:20:5249:498:0124:51
8:00
#14514
15K
9.32 mi11:45:311:14:287:5924:39
7:56
#14286
20K
12.43 mi12:10:441:39:418:0125:13
8:07
#14268
Half
13.11 mi12:16:041:45:018:015:20
7:49
#14207
25K
15.53 mi12:35:472:04:448:0219:43
8:08
#14097
30K
18.64 mi13:01:382:30:358:0525:51
8:19
#13930
20M
20.00 mi13:13:222:42:198:0711:44
8:38
#13963
21M
21.00 mi13:22:492:51:468:119:27
9:27
#14066
35K
21.75 mi13:29:262:58:238:126:37
8:51
#14189
23M
23.00 mi13:41:013:09:588:1611:35
9:15
#14403
24M
24.00 mi13:50:503:19:478:199:49
9:49
#14738
40K
24.85 mi13:58:403:27:378:217:50
9:10
#14808
25.2M
25.20 mi14:02:013:30:588:223:21
9:43
#14817
Finish
26.22 mi14:10:523:39:498:238:51
8:41
#14899
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi142804195419513880(Top 52%)4020(Top 35%)4020(Top 82%)
10K6.21 mi3.10 mi14514-2344350-1554350-15514807(Top 56%)4551(Top 40%)4551(Top 93%)
15K9.32 mi3.11 mi14286+2284229+1214229+12113880(Top 52%)4020(Top 35%)4020(Top 82%)
20K12.43 mi3.11 mi14268+184237-84237-814347(Top 54%)4318(Top 38%)4318(Top 88%)
Half13.11 mi0.68 mi14207+614206+314206+3112982(Top 49%)3511(Top 31%)3511(Top 72%)
25K15.53 mi2.42 mi14097+1104172+344172+3413766(Top 52%)4082(Top 36%)4082(Top 84%)
30K18.64 mi3.11 mi13930+1674101+714101+7113166(Top 49%)3854(Top 34%)3854(Top 79%)
20M20.00 mi1.36 mi13963-334142-414142-4114504(Top 54%)4706(Top 41%)4706(Top 96%)
21M21.00 mi1.00 mi14066-1034227-854227-8515741(Top 59%)5476(Top 48%)5476(Top 112%)
35K21.75 mi0.75 mi14189-1234325-984325-9817181(Top 65%)6366(Top 56%)6366(Top 130%)
23M23.00 mi1.25 mi14403-2144476-1514476-15117311(Top 65%)6454(Top 57%)6454(Top 132%)
24M24.00 mi1.00 mi14738-3354703-2274703-22720281(Top 76%)8134(Top 71%)8134(Top 167%)
40K24.85 mi0.85 mi14808-704766-634766-6316929(Top 64%)6353(Top 56%)6353(Top 130%)
25.2M25.20 mi0.35 mi14817-94787-214787-2116201(Top 61%)5968(Top 52%)5968(Top 122%)
Finish26.22 mi1.02 mi14899-824851-644851-6416408(Top 62%)6045(Top 53%)6045(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13880

Females

4020

F18-39

4020

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14807

Females

4551

F18-39

4551

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13880

Females

4020

F18-39

4020

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

14347

Females

4318

F18-39

4318

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

12982

Females

3511

F18-39

3511

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13766

Females

4082

F18-39

4082

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13166

Females

3854

F18-39

3854

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14504

Females

4706

F18-39

4706

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15741

Females

5476

F18-39

5476

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17181

Females

6366

F18-39

6366

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17311

Females

6454

F18-39

6454

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

20281

Females

8134

F18-39

8134

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16929

Females

6353

F18-39

6353

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16201

Females

5968

F18-39

5968

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

16408

Females

6045

F18-39

6045

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1554
Passed By
2173
Net Change
-619
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14280
5K → 10K190424-234#14280#14514
10K → 15K31284+228#14514#14286
15K → 20K185167+18#14286#14268
20K → Half687+61#14268#14207
Half → 25K19989+110#14207#14097
25K → 30K277110+167#14097#13930
30K → 20M85118-33#13930#13963
20M → 21M60163-103#13963#14066
21M → 35K17140-123#14066#14189
35K → 23M36250-214#14189#14403
23M → 24M20355-335#14403#14738
24M → 40K44114-70#14738#14808
40K → 25.2M2534-9#14808#14817
25.2M → Finish36118-82#14817#14899
TOTALS15542173-619
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing