Boston Marathon logo
BOSTON MARATHON 2023

Jodi Hummer

Bib: 18391•F

IL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 17%
Masters (Masters Women)
#0 / 6539
Top 7%
Division (F40-44)
#0 / 1878
Top 15%
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
7:52/mi
24:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
48:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:12:25
↑ 67↓ 78
20K· 12.43 mi
7:44/mi
1:36:27
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:41:35
↑ 19↓ 370.5%
25K· 15.53 mi
7:39/mi
2:00:09
↑ 66↓ 880.2%
30K· 18.64 mi
7:35/mi
2:23:43
↑ 181↓ 1480.2%
20M
7:51/mi
2:34:23
↑ 64↓ 500.2%
21M
7:51/mi
2:42:13
↑ 106↓ 241.6%
35K· 21.75 mi
7:17/mi
2:47:40
↑ 17↓ 861.7%
23M
7:46/mi
2:57:23
↑ 23↓ 630.6%
24M
7:31/mi
3:04:54
↓ 821.3%
40K· 24.85 mi
7:40/mi
3:11:27
↓ 200.3%
25.2M
8:27/mi
3:14:22
↑ 13↓ 160.2%
Finish· 26.22 mi
7:36/mi
3:22:07
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half
Distance13.11 mi
Time1:41:35
Pace7:45 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:32
Pace7:40 /mi
📊Negative Split: 1.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3024:277:5224:27
7:52
-
10K
6.21 mi11:39:3048:277:4824:00
7:43
-0:09
15K
9.32 mi12:03:281:12:257:4623:58
7:43
0:00
20K
12.43 mi12:27:301:36:277:4624:02
7:44
+0:01
Half
13.11 mi12:32:381:41:357:455:08
7:31
-0:13
25K
15.53 mi12:51:122:00:097:4418:34
7:39
+0:08
30K
18.64 mi13:14:462:23:437:4323:34
7:35
-0:04
20M
20.00 mi13:25:262:34:237:4310:40
7:51
+0:16
21M
21.00 mi13:33:162:42:137:437:50
7:51
0:00
35K
21.75 mi13:38:432:47:407:435:27
7:17
-0:34
23M
23.00 mi13:48:262:57:237:439:43
7:46
+0:29
24M
24.00 mi13:55:573:04:547:427:31
7:31
-0:15
40K
24.85 mi14:02:303:11:277:426:33
7:40
+0:09
25.2M
25.20 mi14:05:253:14:227:432:55
8:27
+0:47
Finish
26.22 mi14:13:103:22:077:437:45
7:36
-0:51

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

7:17 /mi

Average Pace

7:43 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:12

99% of race

Time at Steady Pace

2:55

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi11:15:3024:277:5224:27
7:52
#12997
10K
6.21 mi11:39:3048:277:4824:00
7:43
#12682
15K
9.32 mi12:03:281:12:257:4623:58
7:43
#12393
20K
12.43 mi12:27:301:36:277:4624:02
7:44
#12055
Half
13.11 mi12:32:381:41:357:455:08
7:31
#11981
25K
15.53 mi12:51:122:00:097:4418:34
7:39
#11560
30K
18.64 mi13:14:462:23:437:4323:34
7:35
#10853
20M
20.00 mi13:25:262:34:237:4310:40
7:51
#10708
21M
21.00 mi13:33:162:42:137:437:50
7:51
#10424
35K
21.75 mi13:38:432:47:407:435:27
7:17
#10275
23M
23.00 mi13:48:262:57:237:439:43
7:46
#10117
24M
24.00 mi13:55:573:04:547:427:31
7:31
#9979
40K
24.85 mi14:02:303:11:277:426:33
7:40
#9853
25.2M
25.20 mi14:05:253:14:227:432:55
8:27
#9829
Finish
26.22 mi14:13:103:22:077:437:45
7:36
#9764
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 mi129973430343011963(Top 45%)2874(Top 25%)2874(Top 153%)
10K6.21 mi3.10 mi12682+3153255+1753255+17512470(Top 47%)3126(Top 27%)3126(Top 166%)
15K9.32 mi3.11 mi12393+2893117+1383117+13811963(Top 45%)2874(Top 25%)2874(Top 153%)
20K12.43 mi3.11 mi12055+3382940+1772940+17711195(Top 42%)2506(Top 22%)2506(Top 133%)
Half13.11 mi0.68 mi11981+742905+352905+3510458(Top 39%)2113(Top 18%)2113(Top 113%)
25K15.53 mi2.42 mi11560+4212669+2362669+2369986(Top 38%)1998(Top 17%)1998(Top 106%)
30K18.64 mi3.11 mi10853+7072326+3432326+3437862(Top 30%)1255(Top 11%)1255(Top 67%)
20M20.00 mi1.36 mi10708+1452286+402286+409182(Top 34%)1885(Top 17%)1885(Top 100%)
21M21.00 mi1.00 mi10424+2842161+1252161+1256388(Top 24%)922(Top 8%)922(Top 49%)
35K21.75 mi0.75 mi10275+1492099+622099+627095(Top 27%)1148(Top 10%)1148(Top 61%)
23M23.00 mi1.25 mi10117+1582053+462053+468176(Top 31%)1666(Top 15%)1666(Top 89%)
24M24.00 mi1.00 mi9979+1382025+282025+287853(Top 29%)1628(Top 14%)1628(Top 87%)
40K24.85 mi0.85 mi9853+1261994+311994+317756(Top 29%)1663(Top 15%)1663(Top 89%)
25.2M25.20 mi0.35 mi9829+241993+11993+19301(Top 35%)2360(Top 21%)2360(Top 126%)
Finish26.22 mi1.02 mi9764+651989+41989+49325(Top 35%)2383(Top 21%)2383(Top 127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11963

Females

2874

F40-44

2874

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12470

Females

3126

F40-44

3126

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11963

Females

2874

F40-44

2874

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11195

Females

2506

F40-44

2506

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10458

Females

2113

F40-44

2113

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

9986

Females

1998

F40-44

1998

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

7862

Females

1255

F40-44

1255

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9182

Females

1885

F40-44

1885

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6388

Females

922

F40-44

922

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7095

Females

1148

F40-44

1148

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8176

Females

1666

F40-44

1666

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7853

Females

1628

F40-44

1628

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7756

Females

1663

F40-44

1663

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9301

Females

2360

F40-44

2360

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9325

Females

2383

F40-44

2383

Passing Analysis

Category:
Athletes Passed
3671*
Passed By
438
Net Change
+3233
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12997
5K → 10K504189+315#12997#12682
10K → 15K37687+289#12682#12393
15K → 20K37840+338#12393#12055
20K → Half806+74#12055#11981
Half → 25K4254+421#11981#11560
25K → 30K7114+707#11560#10853
30K → 20M156*11+145#10853#10708
20M → 21M2851+284#10708#10424
21M → 35K1501+149#10424#10275
35K → 23M17214+158#10275#10117
23M → 24M15113+138#10117#9979
24M → 40K13812+126#9979#9853
40K → 25.2M4420+24#9853#9829
25.2M → Finish101*36+65#9829#9764
TOTALS3671*438+3233

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing