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BOSTON MARATHON 2023

Jennifer Mortimer

Bib: 10050•F

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 20%
Gender (Female)
#0 / 11423
Top 4%
Masters (Masters Women)
#0 / 6539
Top 1%
Division (F40-44)
#0 / 1878
Top 3%
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
7:04/mi
21:56
↑ 97↓ 3451.5%
10K· 6.21 mi
6:46/mi
42:58
↑ 79↓ 1380.4%
15K· 9.32 mi
6:44/mi
1:03:52
↑ 67↓ 78
20K· 12.43 mi
6:43/mi
1:24:45
↑ 106↓ 860.1%
Half· 13.11 mi
6:39/mi
1:29:17
↑ 19↓ 370.5%
25K· 15.53 mi
6:45/mi
1:45:38
↑ 66↓ 880.2%
30K· 18.64 mi
6:49/mi
2:06:49
↑ 181↓ 1480.2%
20M
7:12/mi
2:16:37
↑ 64↓ 500.2%
21M
7:12/mi
2:23:49
↑ 106↓ 241.6%
35K· 21.75 mi
7:06/mi
2:29:08
↑ 17↓ 861.7%
23M
7:42/mi
2:38:47
↑ 23↓ 630.6%
24M
7:43/mi
2:46:30
↓ 821.3%
40K· 24.85 mi
8:58/mi
2:54:10
↓ 200.3%
25.2M
9:11/mi
2:57:20
↑ 13↓ 160.2%
Finish· 26.22 mi
7:20/mi
3:04:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:17
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:35:31
Pace7:17 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1221:567:0421:56
7:04
-
10K
6.21 mi11:09:1442:586:5521:02
6:46
-0:18
15K
9.32 mi11:30:081:03:526:5120:54
6:44
-0:02
20K
12.43 mi11:51:011:24:456:4920:53
6:43
-0:01
Half
13.11 mi11:55:331:29:176:494:32
6:39
-0:04
25K
15.53 mi12:11:541:45:386:4816:21
6:45
+0:06
30K
18.64 mi12:33:052:06:496:4821:11
6:49
+0:04
20M
20.00 mi12:42:532:16:376:509:48
7:12
+0:23
21M
21.00 mi12:50:052:23:496:517:12
7:12
0:00
35K
21.75 mi12:55:242:29:086:515:19
7:06
-0:06
23M
23.00 mi13:05:032:38:476:549:39
7:42
+0:36
24M
24.00 mi13:12:462:46:306:567:43
7:43
+0:01
40K
24.85 mi13:20:262:54:107:007:40
8:58
+1:15
25.2M
25.20 mi13:23:362:57:207:023:10
9:11
+0:13
Finish
26.22 mi13:31:043:04:487:037:28
7:20
-1:51

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

6:39 /mi

Average Pace

7:03 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:25

14% of race

Time at Steady Pace

2:11:11

71% of race

Time at Slower Pace

28:12

15% of race

Average Pace: 7:03 /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 mi10:48:1221:567:0421:56
7:04
#6633
10K
6.21 mi11:09:1442:586:5521:02
6:46
#5938
15K
9.32 mi11:30:081:03:526:5120:54
6:44
#5498
20K
12.43 mi11:51:011:24:456:4920:53
6:43
#5022
Half
13.11 mi11:55:331:29:176:494:32
6:39
#4962
25K
15.53 mi12:11:541:45:386:4816:21
6:45
#4703
30K
18.64 mi12:33:052:06:496:4821:11
6:49
#4338
20M
20.00 mi12:42:532:16:376:509:48
7:12
#4423
21M
21.00 mi12:50:052:23:496:517:12
7:12
#4296
35K
21.75 mi12:55:242:29:086:515:19
7:06
#4377
23M
23.00 mi13:05:032:38:476:549:39
7:42
#4620
24M
24.00 mi13:12:462:46:306:567:43
7:43
#4789
40K
24.85 mi13:20:262:54:107:007:40
8:58
#5087
25.2M
25.20 mi13:23:362:57:207:023:10
9:11
#5185
Finish
26.22 mi13:31:043:04:487:037:28
7:20
#5212
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi66336336334421(Top 17%)283(Top 2%)283(Top 15%)
10K6.21 mi3.10 mi5938+695494+139494+1395017(Top 19%)365(Top 3%)365(Top 19%)
15K9.32 mi3.11 mi5498+440418+76418+764421(Top 17%)283(Top 2%)283(Top 15%)
20K12.43 mi3.11 mi5022+476350+68350+683760(Top 14%)207(Top 2%)207(Top 11%)
Half13.11 mi0.68 mi4962+60341+9341+93931(Top 15%)243(Top 2%)243(Top 13%)
25K15.53 mi2.42 mi4703+259318+23318+233721(Top 14%)217(Top 2%)217(Top 12%)
30K18.64 mi3.11 mi4338+365273+45273+453119(Top 12%)176(Top 2%)176(Top 9%)
20M20.00 mi1.36 mi4423-85288-15288-155135(Top 19%)489(Top 4%)489(Top 26%)
21M21.00 mi1.00 mi4296+127276+12276+123155(Top 12%)211(Top 2%)211(Top 11%)
35K21.75 mi0.75 mi4377-81287-11287-115975(Top 22%)745(Top 7%)745(Top 40%)
23M23.00 mi1.25 mi4620-243319-32319-327773(Top 29%)1471(Top 13%)1471(Top 78%)
24M24.00 mi1.00 mi4789-169346-27346-279200(Top 35%)2188(Top 19%)2188(Top 117%)
40K24.85 mi0.85 mi5087-298406-60406-6015963(Top 60%)5821(Top 51%)5821(Top 310%)
25.2M25.20 mi0.35 mi5185-98427-21427-2113554(Top 51%)4491(Top 39%)4491(Top 239%)
Finish26.22 mi1.02 mi5212-27440-13440-137315(Top 27%)1539(Top 13%)1539(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4421

Females

283

F40-44

283

5K→10K

3.1 - 6.2 mi

Top 19%
×5story building
+79ft-138ft

Overall

5017

Females

365

F40-44

365

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4421

Females

283

F40-44

283

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

3760

Females

207

F40-44

207

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

3931

Females

243

F40-44

243

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

3721

Females

217

F40-44

217

25K→30K

15.5 - 18.6 mi

Top 12%
×9story building
+181ft-148ft

Overall

3119

Females

176

F40-44

176

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

5135

Females

489

F40-44

489

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3155

Females

211

F40-44

211

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5975

Females

745

F40-44

745

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

7773

Females

1471

F40-44

1471

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9200

Females

2188

F40-44

2188

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15963

Females

5821

F40-44

5821

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13554

Females

4491

F40-44

4491

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7315

Females

1539

F40-44

1539

Passing Analysis

Category:
Athletes Passed
2628
Passed By
1207
Net Change
+1421
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6633
5K → 10K71520+695#6633#5938
10K → 15K45212+440#5938#5498
15K → 20K4782+476#5498#5022
20K → Half633+60#5022#4962
Half → 25K2678+259#4962#4703
25K → 30K3705+365#4703#4338
30K → 20M40125-85#4338#4423
20M → 21M14114+127#4423#4296
21M → 35K22103-81#4296#4377
35K → 23M22265-243#4377#4620
23M → 24M12181-169#4620#4789
24M → 40K4302-298#4789#5087
40K → 25.2M3101-98#5087#5185
25.2M → Finish3966-27#5185#5212
TOTALS26281207+1421
📊

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