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BOSTON MARATHON 2023

Jill Roberts

Bib: 32057•F

MI

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:26
Rank: #22906
Start → 5K
30:26 | 9:48/mi
10K· 6.21 mi
58:49
Rank: #22244 (+662)
5K → 10K
28:23 | 9:08/mi
15K· 9.32 mi
1:26:59
Rank: #21785 (+459)
10K → 15K
28:10 | 9:04/mi
20K· 12.43 mi
1:55:50
Rank: #21572 (+213)
15K → 20K
28:51 | 9:17/mi
Half· 13.11 mi
2:02:00
Rank: #21513 (+59)
20K → Half
6:10 | 9:02/mi
25K· 15.53 mi
2:24:09
Rank: #21219 (+294)
Half → 25K
22:09 | 9:08/mi
30K· 18.64 mi
2:52:47
Rank: #20704 (+515)
25K → 30K
28:38 | 9:13/mi
20M
3:05:24
Rank: #20520 (+184)
30K → 20M
12:37 | 9:17/mi
21M
3:15:01
Rank: #20286 (+234)
20M → 21M
9:37 | 9:37/mi
35K· 21.75 mi
3:21:44
Rank: #20202 (+84)
21M → 35K
6:43 | 8:59/mi
23M
3:33:22
Rank: #20043 (+159)
35K → 23M
11:38 | 9:17/mi
24M
3:42:16
Rank: #19909 (+134)
23M → 24M
8:54 | 8:54/mi
40K· 24.85 mi
3:50:01
Rank: #19792 (+117)
24M → 40K
7:45 | 9:04/mi
25.2M
3:53:18
Rank: #19729 (+63)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
4:02:06
Rank: #19628 (+101)
25.2M → Finish
8:48 | 8:38/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:02:00
Pace9:18 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:00:06
Pace9:10 /mi
📊Negative Split: 1.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4330:269:4830:26
9:48
-
10K
6.21 mi12:19:0658:499:2828:23
9:08
-0:40
15K
9.32 mi12:47:161:26:599:2028:10
9:04
-0:04
20K
12.43 mi13:16:071:55:509:1928:51
9:17
+0:13
Half
13.11 mi13:22:172:02:009:186:10
9:02
-0:15
25K
15.53 mi13:44:262:24:099:1722:09
9:08
+0:06
30K
18.64 mi14:13:042:52:479:1628:38
9:13
+0:05
20M
20.00 mi14:25:413:05:249:1612:37
9:17
+0:04
21M
21.00 mi14:35:183:15:019:179:37
9:37
+0:20
35K
21.75 mi14:42:013:21:449:176:43
8:59
-0:38
23M
23.00 mi14:53:393:33:229:1711:38
9:17
+0:18
24M
24.00 mi15:02:333:42:169:168:54
8:54
-0:23
40K
24.85 mi15:10:183:50:019:157:45
9:04
+0:10
25.2M
25.20 mi15:13:353:53:189:153:17
9:31
+0:27
Finish
26.22 mi15:22:234:02:069:148:48
8:38
-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

8:38 /mi

Average Pace

9:14 /mi

Slowest Pace

9:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:46

82% of race

Time at Steady Pace

43:20

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:14 /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 mi11:50:4330:269:4830:26
9:48
#22906
10K
6.21 mi12:19:0658:499:2828:23
9:08
#22244
15K
9.32 mi12:47:161:26:599:2028:10
9:04
#21785
20K
12.43 mi13:16:071:55:509:1928:51
9:17
#21572
Half
13.11 mi13:22:172:02:009:186:10
9:02
#21513
25K
15.53 mi13:44:262:24:099:1722:09
9:08
#21219
30K
18.64 mi14:13:042:52:479:1628:38
9:13
#20704
20M
20.00 mi14:25:413:05:249:1612:37
9:17
#20520
21M
21.00 mi14:35:183:15:019:179:37
9:37
#20286
35K
21.75 mi14:42:013:21:449:176:43
8:59
#20202
23M
23.00 mi14:53:393:33:229:1711:38
9:17
#20043
24M
24.00 mi15:02:333:42:169:168:54
8:54
#19909
40K
24.85 mi15:10:183:50:019:157:45
9:04
#19792
25.2M
25.20 mi15:13:353:53:189:153:17
9:31
#19729
Finish
26.22 mi15:22:234:02:069:148:48
8:38
#19628
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi229069334933420798(Top 78%)8121(Top 71%)8121(Top 166%)
10K6.21 mi3.10 mi22244+6628970+3648970+36421426(Top 80%)8510(Top 74%)8510(Top 174%)
15K9.32 mi3.11 mi21785+4598720+2508720+25020798(Top 78%)8121(Top 71%)8121(Top 166%)
20K12.43 mi3.11 mi21572+2138594+1268594+12620921(Top 79%)8186(Top 72%)8186(Top 168%)
Half13.11 mi0.68 mi21513+598554+408554+4020608(Top 77%)8021(Top 70%)8021(Top 164%)
25K15.53 mi2.42 mi21219+2948390+1648390+16419572(Top 74%)7463(Top 65%)7463(Top 153%)
30K18.64 mi3.11 mi20704+5158109+2818109+28118242(Top 69%)6788(Top 59%)6788(Top 139%)
20M20.00 mi1.36 mi20520+1848032+778032+7717979(Top 68%)6739(Top 59%)6739(Top 138%)
21M21.00 mi1.00 mi20286+2347915+1177915+11716543(Top 62%)5947(Top 52%)5947(Top 122%)
35K21.75 mi0.75 mi20202+847877+387877+3817862(Top 67%)6764(Top 59%)6764(Top 138%)
23M23.00 mi1.25 mi20043+1597794+837794+8317513(Top 66%)6585(Top 58%)6585(Top 135%)
24M24.00 mi1.00 mi19909+1347719+757719+7516801(Top 63%)6257(Top 55%)6257(Top 128%)
40K24.85 mi0.85 mi19792+1177663+567663+5616524(Top 62%)6154(Top 54%)6154(Top 126%)
25.2M25.20 mi0.35 mi19729+637631+327631+3215389(Top 58%)5550(Top 49%)5550(Top 114%)
Finish26.22 mi1.02 mi19628+1017575+567575+5616215(Top 61%)5957(Top 52%)5957(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

20798

Females

8121

F18-39

8121

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

21426

Females

8510

F18-39

8510

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

20798

Females

8121

F18-39

8121

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

20921

Females

8186

F18-39

8186

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20608

Females

8021

F18-39

8021

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19572

Females

7463

F18-39

7463

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18242

Females

6788

F18-39

6788

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

17979

Females

6739

F18-39

6739

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

16543

Females

5947

F18-39

5947

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17862

Females

6764

F18-39

6764

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17513

Females

6585

F18-39

6585

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16801

Females

6257

F18-39

6257

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16524

Females

6154

F18-39

6154

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15389

Females

5550

F18-39

5550

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16215

Females

5957

F18-39

5957

Passing Analysis

Category:
Athletes Passed
3446
Passed By
168
Net Change
+3278
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22906
5K → 10K70644+662#22906#22244
10K → 15K48223+459#22244#21785
15K → 20K24532+213#21785#21572
20K → Half656+59#21572#21513
Half → 25K3006+294#21513#21219
25K → 30K5216+515#21219#20704
30K → 20M1939+184#20704#20520
20M → 21M2351+234#20520#20286
21M → 35K895+84#20286#20202
35K → 23M17213+159#20202#20043
23M → 24M14410+134#20043#19909
24M → 40K1203+117#19909#19792
40K → 25.2M630+63#19792#19729
25.2M → Finish11110+101#19729#19628
TOTALS3446168+3278
📊

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