Boston Marathon logo
BOSTON MARATHON 2023

Hannah Lamack

WI

Bib: 16354 F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 25%
Division (F18-39)
#0 / 4884
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:48/mi
24:13
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:42/mi
48:09
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:46/mi
1:12:18
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:54/mi
1:36:51
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:56/mi
1:42:16
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:05/mi
2:01:52
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:14/mi
2:27:28
↑ 181↓ 1480.2%
138 ft elev
20M
7:54/mi
2:38:12
↑ 64↓ 500.2%
148 ft elev
21M
8:13/mi
2:46:25
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:45/mi
2:52:13
↑ 17↓ 861.7%
156 ft elev
23M
8:00/mi
3:02:14
↑ 23↓ 630.6%
116 ft elev
24M
7:59/mi
3:10:13
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:56/mi
3:17:00
↓ 200.3%
20 ft elev
25.2M
8:13/mi
3:19:50
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:30/mi
3:27:29
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:16
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:45:13
Pace8:02 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2724:137:4824:13
7:48
-
10K
6.21 mi11:38:2348:097:4523:56
7:42
-0:06
15K
9.32 mi12:02:321:12:187:4524:09
7:46
+0:04
20K
12.43 mi12:27:051:36:517:4824:33
7:54
+0:08
Half
13.11 mi12:32:301:42:167:485:25
7:56
+0:02
25K
15.53 mi12:52:062:01:527:5119:36
8:05
+0:09
30K
18.64 mi13:17:422:27:287:5525:36
8:14
+0:09
20M
20.00 mi13:28:262:38:127:5510:44
7:54
-0:20
21M
21.00 mi13:36:392:46:257:558:13
8:13
+0:19
35K
21.75 mi13:42:272:52:137:555:48
7:45
-0:28
23M
23.00 mi13:52:283:02:147:5510:01
8:00
+0:15
24M
24.00 mi14:00:273:10:137:567:59
7:59
-0:01
40K
24.85 mi14:07:143:17:007:566:47
7:56
-0:03
25.2M
25.20 mi14:10:043:19:507:562:50
8:13
+0:17
Finish
26.22 mi14:17:433:27:297:557:39
7:30
-0:43

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

7:30 /mi

Average Pace

7:55 /mi

Slowest Pace

8:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:45

41% of race

Time at Steady Pace

2:01:44

59% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:55 /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 mi11:14:2724:137:4824:13
7:48
#12303
10K
6.21 mi11:38:2348:097:4523:56
7:42
#12263
15K
9.32 mi12:02:321:12:187:4524:09
7:46
#12286
20K
12.43 mi12:27:051:36:517:4824:33
7:54
#12348
Half
13.11 mi12:32:301:42:167:485:25
7:56
#12417
25K
15.53 mi12:52:062:01:527:5119:36
8:05
#12552
30K
18.64 mi13:17:422:27:287:5525:36
8:14
#12562
20M
20.00 mi13:28:262:38:127:5510:44
7:54
#12295
21M
21.00 mi13:36:392:46:257:558:13
8:13
#12054
35K
21.75 mi13:42:272:52:137:555:48
7:45
#11990
23M
23.00 mi13:52:283:02:147:5510:01
8:00
#11840
24M
24.00 mi14:00:273:10:137:567:59
7:59
#11795
40K
24.85 mi14:07:143:17:007:566:47
7:56
#11695
25.2M
25.20 mi14:10:043:19:507:562:50
8:13
#11617
Finish
26.22 mi14:17:433:27:297:557:39
7:30
#11451
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi123033041304112502(Top 47%)3185(Top 28%)3185(Top 65%)
10K6.21 mi3.10 mi12263+403011+303011+3012277(Top 46%)3025(Top 26%)3025(Top 62%)
15K9.32 mi3.11 mi12286-233054-433054-4312502(Top 47%)3185(Top 28%)3185(Top 65%)
20K12.43 mi3.11 mi12348-623117-633117-6312642(Top 47%)3344(Top 29%)3344(Top 68%)
Half13.11 mi0.68 mi12417-693157-403157-4013884(Top 52%)3993(Top 35%)3993(Top 82%)
25K15.53 mi2.42 mi12552-1353255-983255-9813403(Top 50%)3858(Top 34%)3858(Top 79%)
30K18.64 mi3.11 mi12562-103294-393294-3912606(Top 47%)3522(Top 31%)3522(Top 72%)
20M20.00 mi1.36 mi12295+2673156+1383156+1389588(Top 36%)2064(Top 18%)2064(Top 42%)
21M21.00 mi1.00 mi12054+2413036+1203036+1208746(Top 33%)1831(Top 16%)1831(Top 37%)
35K21.75 mi0.75 mi11990+643014+223014+2210350(Top 39%)2539(Top 22%)2539(Top 52%)
23M23.00 mi1.25 mi11840+1502953+612953+619774(Top 37%)2401(Top 21%)2401(Top 49%)
24M24.00 mi1.00 mi11795+452948+52948+511139(Top 42%)3163(Top 28%)3163(Top 65%)
40K24.85 mi0.85 mi11695+1002918+302918+309628(Top 36%)2473(Top 22%)2473(Top 51%)
25.2M25.20 mi0.35 mi11617+782884+342884+347886(Top 30%)1798(Top 16%)1798(Top 37%)
Finish26.22 mi1.02 mi11451+1662824+602824+608643(Top 32%)2093(Top 18%)2093(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12502

Females

3185

F18-39

3185

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12277

Females

3025

F18-39

3025

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12502

Females

3185

F18-39

3185

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12642

Females

3344

F18-39

3344

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13884

Females

3993

F18-39

3993

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13403

Females

3858

F18-39

3858

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12606

Females

3522

F18-39

3522

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9588

Females

2064

F18-39

2064

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8746

Females

1831

F18-39

1831

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10350

Females

2539

F18-39

2539

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9774

Females

2401

F18-39

2401

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11139

Females

3163

F18-39

3163

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9628

Females

2473

F18-39

2473

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7886

Females

1798

F18-39

1798

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8643

Females

2093

F18-39

2093

Passing Analysis

Category:
Athletes Passed
2216
Passed By
1364
Net Change
+852
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12303
5K → 10K349309+40#12303#12263
10K → 15K182205-23#12263#12286
15K → 20K154216-62#12286#12348
20K → Half1483-69#12348#12417
Half → 25K80215-135#12417#12552
25K → 30K193203-10#12552#12562
30K → 20M2769+267#12562#12295
20M → 21M2487+241#12295#12054
21M → 35K7713+64#12054#11990
35K → 23M17727+150#11990#11840
23M → 24M8944+45#11840#11795
24M → 40K11818+100#11795#11695
40K → 25.2M791+78#11695#11617
25.2M → Finish18014+166#11617#11451
TOTALS22161364+852
📊

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