Boston Marathon logo
BOSTON MARATHON 2025

Mimi Liebers

Bib: 13875•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 23%
Gender (Female)
#0 / 12228
Top 7%
Division (F18-39)
#0 / 5469
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:18
Rank: #9288
Start → 5K
22:18 | 7:11/mi
10K· 6.21 mi
44:37
Rank: #9290 (-2)
5K → 10K
22:19 | 7:11/mi
15K· 9.32 mi
1:06:33
Rank: #8844 (+446)
10K → 15K
21:56 | 7:04/mi
20K· 12.43 mi
1:28:31
Rank: #8329 (+515)
15K → 20K
21:58 | 7:04/mi
Half· 13.11 mi
1:33:18
Rank: #8283 (+46)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:50:40
Rank: #8098 (+185)
Half → 25K
17:22 | 7:10/mi
30K· 18.64 mi
2:13:34
Rank: #7789 (+309)
25K → 30K
22:54 | 7:22/mi
20M
2:23:25
Rank: #7541 (+248)
30K → 20M
9:51 | 7:15/mi
21M
2:31:13
Rank: #7391 (+150)
20M → 21M
7:48 | 7:48/mi
35K· 21.75 mi
2:36:28
Rank: #7279 (+112)
21M → 35K
5:15 | 7:01/mi
23M
2:45:53
Rank: #7183 (+96)
35K → 23M
9:25 | 7:31/mi
24M
2:53:16
Rank: #7135 (+48)
23M → 24M
7:23 | 7:23/mi
40K· 24.85 mi
2:59:16
Rank: #6955 (+180)
24M → 40K
6:00 | 7:01/mi
25.2M
3:01:51
Rank: #6865 (+90)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:08:28
Rank: #6618 (+247)
25.2M → Finish
6:37 | 6:30/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
Time1:33:18
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:35:10
Pace7:16 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1222:187:1122:18
7:11
-
10K
6.21 mi11:13:3144:377:1122:19
7:11
0:00
15K
9.32 mi11:35:271:06:337:0821:56
7:04
-0:07
20K
12.43 mi11:57:251:28:317:0721:58
7:04
0:00
Half
13.11 mi12:02:121:33:187:074:47
7:01
-0:03
25K
15.53 mi12:19:341:50:407:0717:22
7:10
+0:09
30K
18.64 mi12:42:282:13:347:1022:54
7:22
+0:12
20M
20.00 mi12:52:192:23:257:109:51
7:15
-0:07
21M
21.00 mi13:00:072:31:137:127:48
7:48
+0:33
35K
21.75 mi13:05:222:36:287:125:15
7:01
-0:47
23M
23.00 mi13:14:472:45:537:139:25
7:31
+0:30
24M
24.00 mi13:22:102:53:167:137:23
7:23
-0:08
40K
24.85 mi13:28:102:59:167:136:00
7:01
-0:22
25.2M
25.20 mi13:30:453:01:517:132:35
7:29
+0:28
Finish
26.22 mi13:37:223:08:287:126:37
6:30
-0:59

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

6:30 /mi

Average Pace

7:12 /mi

Slowest Pace

7:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:33

35% of race

Time at Steady Pace

1:54:07

61% of race

Time at Slower Pace

7:48

4% of race

Average Pace: 7:11 /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 mi10:51:1222:187:1122:18
7:11
#9288
10K
6.21 mi11:13:3144:377:1122:19
7:11
#9290
15K
9.32 mi11:35:271:06:337:0821:56
7:04
#8844
20K
12.43 mi11:57:251:28:317:0721:58
7:04
#8329
Half
13.11 mi12:02:121:33:187:074:47
7:01
#8283
25K
15.53 mi12:19:341:50:407:0717:22
7:10
#8098
30K
18.64 mi12:42:282:13:347:1022:54
7:22
#7789
20M
20.00 mi12:52:192:23:257:109:51
7:15
#7541
21M
21.00 mi13:00:072:31:137:127:48
7:48
#7391
35K
21.75 mi13:05:222:36:287:125:15
7:01
#7279
23M
23.00 mi13:14:472:45:537:139:25
7:31
#7183
24M
24.00 mi13:22:102:53:167:137:23
7:23
#7135
40K
24.85 mi13:28:102:59:167:136:00
7:01
#6955
25.2M
25.20 mi13:30:453:01:517:132:35
7:29
#6865
Finish
26.22 mi13:37:223:08:287:126:37
6:30
#6618
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9288150215028050(Top 28%)1051(Top 9%)1051(Top 19%)
10K6.21 mi3.10 mi9290-21496+61496+69346(Top 33%)1526(Top 12%)1526(Top 28%)
15K9.32 mi3.11 mi8844+4461327+1691327+1698050(Top 28%)1051(Top 9%)1051(Top 19%)
20K12.43 mi3.11 mi8329+5151154+1731154+1737350(Top 26%)874(Top 7%)874(Top 16%)
Half13.11 mi0.68 mi8283+461143+111143+117717(Top 27%)978(Top 8%)978(Top 18%)
25K15.53 mi2.42 mi8098+1851092+511092+517358(Top 26%)979(Top 8%)979(Top 18%)
30K18.64 mi3.11 mi7789+3091023+691023+696888(Top 24%)962(Top 8%)962(Top 18%)
20M20.00 mi1.36 mi7541+248976+47976+475517(Top 19%)653(Top 5%)653(Top 12%)
21M21.00 mi1.00 mi7391+150954+22954+226213(Top 22%)991(Top 8%)991(Top 18%)
35K21.75 mi0.75 mi7279+112940+14940+145519(Top 19%)769(Top 6%)769(Top 14%)
23M23.00 mi1.25 mi7183+96950-10950-106751(Top 24%)1285(Top 11%)1285(Top 23%)
24M24.00 mi1.00 mi7135+48964-14964-146961(Top 25%)1431(Top 12%)1431(Top 26%)
40K24.85 mi0.85 mi6955+180929+35929+354065(Top 14%)519(Top 4%)519(Top 9%)
25.2M25.20 mi0.35 mi6865+90907+22907+223463(Top 12%)430(Top 4%)430(Top 8%)
Finish26.22 mi1.02 mi6618+247869+38869+382827(Top 10%)291(Top 2%)291(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

8050

Females

1051

F18-39

1051

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

9346

Females

1526

F18-39

1526

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

8050

Females

1051

F18-39

1051

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7350

Females

874

F18-39

874

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7717

Females

978

F18-39

978

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7358

Females

979

F18-39

979

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6888

Females

962

F18-39

962

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5517

Females

653

F18-39

653

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6213

Females

991

F18-39

991

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5519

Females

769

F18-39

769

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6751

Females

1285

F18-39

1285

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6961

Females

1431

F18-39

1431

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

4065

Females

519

F18-39

519

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3463

Females

430

F18-39

430

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2827

Females

291

F18-39

291

Passing Analysis

Category:
Athletes Passed
3133
Passed By
463
Net Change
+2670
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9288
5K → 10K230232-2#9288#9290
10K → 15K47226+446#9290#8844
15K → 20K5172+515#8844#8329
20K → Half5711+46#8329#8283
Half → 25K22641+185#8283#8098
25K → 30K35344+309#8098#7789
30K → 20M2557+248#7789#7541
20M → 21M16010+150#7541#7391
21M → 35K1164+112#7391#7279
35K → 23M13741+96#7279#7183
23M → 24M8941+48#7183#7135
24M → 40K1833+180#7135#6955
40K → 25.2M911+90#6955#6865
25.2M → Finish2470+247#6865#6618
TOTALS3133463+2670
📊

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