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BOSTON MARATHON 2023

Jennifer Alves

Bib: 24885•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
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
11:34/mi
35:56
↑ 97↓ 3451.5%
10K· 6.21 mi
11:56/mi
1:13:01
↑ 79↓ 1380.4%
15K· 9.32 mi
12:23/mi
1:51:30
↑ 67↓ 78
20K· 12.43 mi
12:46/mi
2:31:09
↑ 106↓ 860.1%
Half· 13.11 mi
12:26/mi
2:39:38
↑ 19↓ 370.5%
25K· 15.53 mi
13:05/mi
3:11:22
↑ 66↓ 880.2%
30K· 18.64 mi
13:20/mi
3:52:47
↑ 181↓ 1480.2%
20M
13:27/mi
4:11:03
↑ 64↓ 500.2%
21M
13:16/mi
4:24:19
↑ 106↓ 241.6%
35K· 21.75 mi
11:28/mi
4:32:54
↑ 17↓ 861.7%
23M
15:26/mi
4:52:13
↑ 23↓ 630.6%
24M
12:22/mi
5:04:35
↓ 821.3%
40K· 24.85 mi
13:15/mi
5:15:55
↓ 200.3%
25.2M
13:03/mi
5:20:25
↑ 13↓ 160.2%
Finish· 26.22 mi
12:02/mi
5:32:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:39:38
Pace12:11 /mi
2nd Half
Distance13.11 mi
Time2:53:03
Pace13:12 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2235:5611:3435:56
11:34
-
10K
6.21 mi12:28:271:13:0111:4537:05
11:56
+0:22
15K
9.32 mi13:06:561:51:3011:5838:29
12:23
+0:27
20K
12.43 mi13:46:352:31:0912:1039:39
12:46
+0:23
Half
13.11 mi13:55:042:39:3812:118:29
12:26
-0:20
25K
15.53 mi14:26:483:11:2212:1931:44
13:05
+0:39
30K
18.64 mi15:08:133:52:4712:2941:25
13:20
+0:15
20M
20.00 mi15:26:294:11:0312:3318:16
13:27
+0:07
21M
21.00 mi15:39:454:24:1912:3513:16
13:16
-0:11
35K
21.75 mi15:48:204:32:5412:338:35
11:28
-1:48
23M
23.00 mi16:07:394:52:1312:4219:19
15:26
+3:58
24M
24.00 mi16:20:015:04:3512:4112:22
12:22
-3:04
40K
24.85 mi16:31:215:15:5512:4311:20
13:15
+0:53
25.2M
25.20 mi16:35:515:20:2512:434:30
13:03
-0:12
Finish
26.22 mi16:48:075:32:4112:4212:16
12:02
-1:01

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

11:28 /mi

Average Pace

12:42 /mi

Slowest Pace

15:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:52

28% of race

Time at Steady Pace

2:15:13

41% of race

Time at Slower Pace

1:43:36

31% of race

Average Pace: 12:41 /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 mi11:51:2235:5611:3435:56
11:34
#26244
10K
6.21 mi12:28:271:13:0111:4537:05
11:56
#26264
15K
9.32 mi13:06:561:51:3011:5838:29
12:23
#26271
20K
12.43 mi13:46:352:31:0912:1039:39
12:46
#26243
Half
13.11 mi13:55:042:39:3812:118:29
12:26
#26237
25K
15.53 mi14:26:483:11:2212:1931:44
13:05
#26215
30K
18.64 mi15:08:133:52:4712:2941:25
13:20
#26134
20M
20.00 mi15:26:294:11:0312:3318:16
13:27
#26102
21M
21.00 mi15:39:454:24:1912:3513:16
13:16
#26028
35K
21.75 mi15:48:204:32:5412:338:35
11:28
#25988
23M
23.00 mi16:07:394:52:1312:4219:19
15:26
#26036
24M
24.00 mi16:20:015:04:3512:4112:22
12:22
#26012
40K
24.85 mi16:31:215:15:5512:4311:20
13:15
#25992
25.2M
25.20 mi16:35:515:20:2512:434:30
13:03
#25975
Finish
26.22 mi16:48:075:32:4112:4212:16
12:02
#25967
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi26244111931119326268(Top 99%)11211(Top 98%)11211(Top 597%)
10K6.21 mi3.10 mi26264-2011203-1011203-1026246(Top 99%)11197(Top 98%)11197(Top 596%)
15K9.32 mi3.11 mi26271-711211-811211-826268(Top 99%)11211(Top 98%)11211(Top 597%)
20K12.43 mi3.11 mi26243+2811192+1911192+1926119(Top 98%)11127(Top 97%)11127(Top 592%)
Half13.11 mi0.68 mi26237+611185+711185+726120(Top 98%)11131(Top 97%)11131(Top 593%)
25K15.53 mi2.42 mi26215+2211175+1011175+1025919(Top 97%)11036(Top 97%)11036(Top 588%)
30K18.64 mi3.11 mi26134+8111139+3611139+3625656(Top 96%)10924(Top 96%)10924(Top 582%)
20M20.00 mi1.36 mi26102+3211120+1911120+1925508(Top 96%)10865(Top 95%)10865(Top 579%)
21M21.00 mi1.00 mi26028+7411073+4711073+4724367(Top 92%)10282(Top 90%)10282(Top 547%)
35K21.75 mi0.75 mi25988+4011053+2011053+2024073(Top 90%)10168(Top 89%)10168(Top 541%)
23M23.00 mi1.25 mi26036-4811086-3311086-3326392(Top 99%)11325(Top 99%)11325(Top 603%)
24M24.00 mi1.00 mi26012+2411075+1111075+1124920(Top 94%)10642(Top 93%)10642(Top 567%)
40K24.85 mi0.85 mi25992+2011063+1211063+1225160(Top 95%)10761(Top 94%)10761(Top 573%)
25.2M25.20 mi0.35 mi25975+1711056+711056+724056(Top 90%)10221(Top 89%)10221(Top 544%)
Finish26.22 mi1.02 mi25967+811050+611050+625264(Top 95%)10800(Top 95%)10800(Top 575%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

26268

Females

11211

F40-44

11211

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

26246

Females

11197

F40-44

11197

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

26268

Females

11211

F40-44

11211

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

26119

Females

11127

F40-44

11127

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

26120

Females

11131

F40-44

11131

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25919

Females

11036

F40-44

11036

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

25656

Females

10924

F40-44

10924

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

25508

Females

10865

F40-44

10865

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

24367

Females

10282

F40-44

10282

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

24073

Females

10168

F40-44

10168

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26392

Females

11325

F40-44

11325

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

24920

Females

10642

F40-44

10642

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25160

Females

10761

F40-44

10761

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

24056

Females

10221

F40-44

10221

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

25264

Females

10800

F40-44

10800

Passing Analysis

Category:
Athletes Passed
522
Passed By
245
Net Change
+277
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26244
5K → 10K5373-20#26244#26264
10K → 15K3239-7#26264#26271
15K → 20K5830+28#26271#26243
20K → Half115+6#26243#26237
Half → 25K3917+22#26237#26215
25K → 30K9110+81#26215#26134
30K → 20M408+32#26134#26102
20M → 21M740+74#26102#26028
21M → 35K400+40#26028#25988
35K → 23M553-48#25988#26036
23M → 24M295+24#26036#26012
24M → 40K211+20#26012#25992
40K → 25.2M170+17#25992#25975
25.2M → Finish124+8#25975#25967
TOTALS522245+277
📊

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