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BOSTON MARATHON 2023

Jill Dennes

Bib: 6912•F

TN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Female)
#0 / 11423
Top 0.8%
Division (F18-39)
#0 / 4884
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:11
Rank: #2267
Start → 5K
20:11 | 6:30/mi
10K· 6.21 mi
40:01
Rank: #2194 (+73)
5K → 10K
19:50 | 6:23/mi
15K· 9.32 mi
1:00:27
Rank: #2472 (-278)
10K → 15K
20:26 | 6:35/mi
20K· 12.43 mi
1:21:03
Rank: #2582 (-110)
15K → 20K
20:36 | 6:38/mi
Half· 13.11 mi
1:25:29
Rank: #2589 (-7)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:41:29
Rank: #2590 (-1)
Half → 25K
16:00 | 6:36/mi
30K· 18.64 mi
2:02:24
Rank: #2553 (+37)
25K → 30K
20:55 | 6:44/mi
20M
2:11:30
Rank: #2507 (+46)
30K → 20M
9:06 | 6:42/mi
21M
2:18:34
Rank: #2479 (+28)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:23:22
Rank: #2443 (+36)
21M → 35K
4:48 | 6:25/mi
23M
2:31:38
Rank: #2375 (+68)
35K → 23M
8:16 | 6:36/mi
24M
2:38:01
Rank: #2319 (+56)
23M → 24M
6:23 | 6:23/mi
40K· 24.85 mi
2:43:35
Rank: #2275 (+44)
24M → 40K
5:34 | 6:31/mi
25.2M
2:45:55
Rank: #2230 (+45)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:52:13
Rank: #2143 (+87)
25.2M → Finish
6:18 | 6:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:29
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:26:44
Pace6:37 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3720:116:3020:11
6:30
-
10K
6.21 mi10:43:2740:016:2619:50
6:23
-0:07
15K
9.32 mi11:03:531:00:276:2920:26
6:35
+0:12
20K
12.43 mi11:24:291:21:036:3120:36
6:38
+0:03
Half
13.11 mi11:28:551:25:296:314:26
6:30
-0:08
25K
15.53 mi11:44:551:41:296:3216:00
6:36
+0:06
30K
18.64 mi12:05:502:02:246:3420:55
6:44
+0:08
20M
20.00 mi12:14:562:11:306:349:06
6:42
-0:02
21M
21.00 mi12:22:002:18:346:367:04
7:04
+0:22
35K
21.75 mi12:26:482:23:226:364:48
6:25
-0:39
23M
23.00 mi12:35:042:31:386:368:16
6:36
+0:11
24M
24.00 mi12:41:272:38:016:356:23
6:23
-0:13
40K
24.85 mi12:47:012:43:356:355:34
6:31
+0:08
25.2M
25.20 mi12:49:212:45:556:352:20
6:46
+0:15
Finish
26.22 mi12:55:392:52:136:346:18
6:11
-0:35

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

6:11 /mi

Average Pace

6:34 /mi

Slowest Pace

7:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:09

96% of race

Time at Steady Pace

7:04

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:34 /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 mi10:23:3720:116:3020:11
6:30
#2267
10K
6.21 mi10:43:2740:016:2619:50
6:23
#2194
15K
9.32 mi11:03:531:00:276:2920:26
6:35
#2472
20K
12.43 mi11:24:291:21:036:3120:36
6:38
#2582
Half
13.11 mi11:28:551:25:296:314:26
6:30
#2589
25K
15.53 mi11:44:551:41:296:3216:00
6:36
#2590
30K
18.64 mi12:05:502:02:246:3420:55
6:44
#2553
20M
20.00 mi12:14:562:11:306:349:06
6:42
#2507
21M
21.00 mi12:22:002:18:346:367:04
7:04
#2479
35K
21.75 mi12:26:482:23:226:364:48
6:25
#2443
23M
23.00 mi12:35:042:31:386:368:16
6:36
#2375
24M
24.00 mi12:41:272:38:016:356:23
6:23
#2319
40K
24.85 mi12:47:012:43:356:355:34
6:31
#2275
25.2M
25.20 mi12:49:212:45:556:352:20
6:46
#2230
Finish
26.22 mi12:55:392:52:136:346:18
6:11
#2143
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi22671021023129(Top 12%)144(Top 1%)144(Top 3%)
10K6.21 mi3.10 mi2194+7392+1092+102179(Top 8%)90(Top 0.8%)90(Top 2%)
15K9.32 mi3.11 mi2472-278108-16108-163129(Top 12%)144(Top 1%)144(Top 3%)
20K12.43 mi3.11 mi2582-110110-2110-23064(Top 12%)144(Top 1%)144(Top 3%)
Half13.11 mi0.68 mi2589-7109+1109+12853(Top 11%)116(Top 1%)116(Top 2%)
25K15.53 mi2.42 mi2590-1110-1110-12727(Top 10%)115(Top 1%)115(Top 2%)
30K18.64 mi3.11 mi2553+37111-1111-12587(Top 10%)125(Top 1%)125(Top 3%)
20M20.00 mi1.36 mi2507+46106+5106+52284(Top 9%)111(Top 1.0%)111(Top 2%)
21M21.00 mi1.00 mi2479+28103+3103+32499(Top 9%)135(Top 1%)135(Top 3%)
35K21.75 mi0.75 mi2443+36102+1102+12073(Top 8%)103(Top 0.9%)103(Top 2%)
23M23.00 mi1.25 mi2375+68101+1101+11797(Top 7%)92(Top 0.8%)92(Top 2%)
24M24.00 mi1.00 mi2319+5698+398+31648(Top 6%)89(Top 0.8%)89(Top 2%)
40K24.85 mi0.85 mi2275+4497+197+11606(Top 6%)92(Top 0.8%)92(Top 2%)
25.2M25.20 mi0.35 mi2230+4589+889+81119(Top 4%)58(Top 0.5%)58(Top 1%)
Finish26.22 mi1.02 mi2143+8786+386+31242(Top 5%)63(Top 0.6%)63(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3129

Females

144

F18-39

144

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2179

Females

90

F18-39

90

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3129

Females

144

F18-39

144

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3064

Females

144

F18-39

144

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2853

Females

116

F18-39

116

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2727

Females

115

F18-39

115

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2587

Females

125

F18-39

125

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2284

Females

111

F18-39

111

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2499

Females

135

F18-39

135

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2073

Females

103

F18-39

103

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1797

Females

92

F18-39

92

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1648

Females

89

F18-39

89

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1606

Females

92

F18-39

92

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1119

Females

58

F18-39

58

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1242

Females

63

F18-39

63

Passing Analysis

Category:
Athletes Passed
822
Passed By
698
Net Change
+124
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2267
5K → 10K15380+73#2267#2194
10K → 15K15293-278#2194#2472
15K → 20K29139-110#2472#2582
20K → Half1421-7#2582#2589
Half → 25K5253-1#2589#2590
25K → 30K8548+37#2590#2553
30K → 20M6216+46#2553#2507
20M → 21M5224+28#2507#2479
21M → 35K426+36#2479#2443
35K → 23M768+68#2443#2375
23M → 24M582+56#2375#2319
24M → 40K495+44#2319#2275
40K → 25.2M461+45#2275#2230
25.2M → Finish892+87#2230#2143
TOTALS822698+124
📊

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