Boston Marathon logo
BOSTON MARATHON 2023

Mariko Hanson

Bib: 16698•F

FL

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:37
Rank: #13476
Start → 5K
24:37 | 7:55/mi
10K· 6.21 mi
48:44
Rank: #13142 (+334)
5K → 10K
24:07 | 7:46/mi
15K· 9.32 mi
1:13:17
Rank: #13258 (-116)
10K → 15K
24:33 | 7:54/mi
20K· 12.43 mi
1:40:00
Rank: #14452 (-1194)
15K → 20K
26:43 | 8:36/mi
Half· 13.11 mi
1:45:25
Rank: #14444 (+8)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:06:47
Rank: #15081 (-637)
Half → 25K
21:22 | 8:49/mi
30K· 18.64 mi
2:34:27
Rank: #15380 (-299)
25K → 30K
27:40 | 8:54/mi
20M
2:47:14
Rank: #15628 (-248)
30K → 20M
12:47 | 9:24/mi
21M
2:58:29
Rank: #16190 (-562)
20M → 21M
11:15 | 11:15/mi
35K· 21.75 mi
3:05:22
Rank: #16297 (-107)
21M → 35K
6:53 | 9:12/mi
23M
3:17:41
Rank: #16562 (-265)
35K → 23M
12:19 | 9:50/mi
24M
3:27:07
Rank: #16685 (-123)
23M → 24M
9:26 | 9:26/mi
40K· 24.85 mi
3:35:26
Rank: #16807 (-122)
24M → 40K
8:19 | 9:44/mi
25.2M
3:38:57
Rank: #16836 (-29)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:48:14
Rank: #16918 (-82)
25.2M → Finish
9:17 | 9:07/mi

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 HalfFaster
Distance13.11 mi
Time1:45:25
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time2:02:49
Pace9:22 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5524:377:5524:37
7:55
-
10K
6.21 mi11:39:0248:447:5124:07
7:46
-0:09
15K
9.32 mi12:03:351:13:177:5224:33
7:54
+0:08
20K
12.43 mi12:30:181:40:008:0326:43
8:36
+0:42
Half
13.11 mi12:35:431:45:258:025:25
7:56
-0:40
25K
15.53 mi12:57:052:06:478:1021:22
8:49
+0:53
30K
18.64 mi13:24:452:34:278:1727:40
8:54
+0:05
20M
20.00 mi13:37:322:47:148:2212:47
9:24
+0:30
21M
21.00 mi13:48:472:58:298:3011:15
11:15
+1:51
35K
21.75 mi13:55:403:05:228:316:53
9:12
-2:03
23M
23.00 mi14:07:593:17:418:3612:19
9:50
+0:38
24M
24.00 mi14:17:253:27:078:389:26
9:26
-0:24
40K
24.85 mi14:25:443:35:268:408:19
9:44
+0:18
25.2M
25.20 mi14:29:153:38:578:413:31
10:12
+0:28
Finish
26.22 mi14:38:323:48:148:439:17
9:07
-1:05

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

7:46 /mi

Average Pace

8:43 /mi

Slowest Pace

11:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:25

46% of race

Time at Steady Pace

1:27:25

38% of race

Time at Slower Pace

35:24

16% of race

Average Pace: 8:42 /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 mi11:14:5524:377:5524:37
7:55
#13476
10K
6.21 mi11:39:0248:447:5124:07
7:46
#13142
15K
9.32 mi12:03:351:13:177:5224:33
7:54
#13258
20K
12.43 mi12:30:181:40:008:0326:43
8:36
#14452
Half
13.11 mi12:35:431:45:258:025:25
7:56
#14444
25K
15.53 mi12:57:052:06:478:1021:22
8:49
#15081
30K
18.64 mi13:24:452:34:278:1727:40
8:54
#15380
20M
20.00 mi13:37:322:47:148:2212:47
9:24
#15628
21M
21.00 mi13:48:472:58:298:3011:15
11:15
#16190
35K
21.75 mi13:55:403:05:228:316:53
9:12
#16297
23M
23.00 mi14:07:593:17:418:3612:19
9:50
#16562
24M
24.00 mi14:17:253:27:078:389:26
9:26
#16685
40K
24.85 mi14:25:443:35:268:408:19
9:44
#16807
25.2M
25.20 mi14:29:153:38:578:413:31
10:12
#16836
Finish
26.22 mi14:38:323:48:148:439:17
9:07
#16918
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi134763703370313586(Top 51%)3833(Top 34%)3833(Top 78%)
10K6.21 mi3.10 mi13142+3343536+1673536+16712817(Top 48%)3329(Top 29%)3329(Top 68%)
15K9.32 mi3.11 mi13258-1163613-773613-7713586(Top 51%)3833(Top 34%)3833(Top 78%)
20K12.43 mi3.11 mi14452-11944344-7314344-73117496(Top 66%)6222(Top 54%)6222(Top 127%)
Half13.11 mi0.68 mi14444+84343+14343+113985(Top 53%)4094(Top 36%)4094(Top 84%)
25K15.53 mi2.42 mi15081-6374760-4174760-41718030(Top 68%)6565(Top 57%)6565(Top 134%)
30K18.64 mi3.11 mi15380-2995001-2415001-24116686(Top 63%)5882(Top 51%)5882(Top 120%)
20M20.00 mi1.36 mi15628-2485171-1705171-17018486(Top 69%)7016(Top 61%)7016(Top 144%)
21M21.00 mi1.00 mi16190-5625534-3635534-36321372(Top 80%)8663(Top 76%)8663(Top 177%)
35K21.75 mi0.75 mi16297-1075602-685602-6818743(Top 70%)7233(Top 63%)7233(Top 148%)
23M23.00 mi1.25 mi16562-2655765-1635765-16319532(Top 73%)7696(Top 67%)7696(Top 158%)
24M24.00 mi1.00 mi16685-1235851-865851-8618977(Top 71%)7429(Top 65%)7429(Top 152%)
40K24.85 mi0.85 mi16807-1225949-985949-9819118(Top 72%)7545(Top 66%)7545(Top 154%)
25.2M25.20 mi0.35 mi16836-295966-175966-1718137(Top 68%)7017(Top 61%)7017(Top 144%)
Finish26.22 mi1.02 mi16918-826031-656031-6518518(Top 70%)7176(Top 63%)7176(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13586

Females

3833

F18-39

3833

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12817

Females

3329

F18-39

3329

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13586

Females

3833

F18-39

3833

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17496

Females

6222

F18-39

6222

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

13985

Females

4094

F18-39

4094

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18030

Females

6565

F18-39

6565

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16686

Females

5882

F18-39

5882

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

18486

Females

7016

F18-39

7016

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

21372

Females

8663

F18-39

8663

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18743

Females

7233

F18-39

7233

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

19532

Females

7696

F18-39

7696

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18977

Females

7429

F18-39

7429

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19118

Females

7545

F18-39

7545

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18137

Females

7017

F18-39

7017

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18518

Females

7176

F18-39

7176

Passing Analysis

Category:
Athletes Passed
1067
Passed By
4509
Net Change
-3442
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13476
5K → 10K503169+334#13476#13142
10K → 15K158274-116#13142#13258
15K → 20K281222-1194#13258#14452
20K → Half3830+8#14452#14444
Half → 25K37674-637#14444#15081
25K → 30K97396-299#15081#15380
30K → 20M26274-248#15380#15628
20M → 21M14576-562#15628#16190
21M → 35K17124-107#16190#16297
35K → 23M26291-265#16297#16562
23M → 24M37160-123#16562#16685
24M → 40K27149-122#16685#16807
40K → 25.2M1948-29#16807#16836
25.2M → Finish40122-82#16836#16918
TOTALS10674509-3442
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing