Boston Marathon logo
BOSTON MARATHON 2025

Olivia Barbier

Bib: 5637•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 10%
Gender (Female)
#0 / 12228
Top 1%
Division (F18-39)
#0 / 5469
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:12
Rank: #3863
Start → 5K
20:12 | 6:30/mi
10K· 6.21 mi
40:23
Rank: #3779 (+84)
5K → 10K
20:11 | 6:30/mi
15K· 9.32 mi
1:00:31
Rank: #3651 (+128)
10K → 15K
20:08 | 6:29/mi
20K· 12.43 mi
1:20:44
Rank: #3486 (+165)
15K → 20K
20:13 | 6:30/mi
Half· 13.11 mi
1:25:07
Rank: #3456 (+30)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:41:05
Rank: #3430 (+26)
Half → 25K
15:58 | 6:35/mi
30K· 18.64 mi
2:01:55
Rank: #3269 (+161)
25K → 30K
20:50 | 6:42/mi
20M
2:11:13
Rank: #3214 (+55)
30K → 20M
9:18 | 6:51/mi
21M
2:18:27
Rank: #3191 (+23)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:23:25
Rank: #3176 (+15)
21M → 35K
4:58 | 6:38/mi
23M
2:32:08
Rank: #3137 (+39)
35K → 23M
8:43 | 6:58/mi
24M
2:38:50
Rank: #3086 (+51)
23M → 24M
6:42 | 6:42/mi
40K· 24.85 mi
2:44:40
Rank: #3045 (+41)
24M → 40K
5:50 | 6:49/mi
25.2M
2:47:11
Rank: #3013 (+32)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:53:46
Rank: #2964 (+49)
25.2M → Finish
6:35 | 6:28/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
Time1:25:07
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:28:39
Pace6:46 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2320:126:3020:12
6:30
-
10K
6.21 mi10:44:3440:236:3020:11
6:30
0:00
15K
9.32 mi11:04:421:00:316:3020:08
6:29
-0:01
20K
12.43 mi11:24:551:20:446:3020:13
6:30
+0:01
Half
13.11 mi11:29:181:25:076:304:23
6:25
-0:05
25K
15.53 mi11:45:161:41:056:3015:58
6:35
+0:10
30K
18.64 mi12:06:062:01:556:3220:50
6:42
+0:07
20M
20.00 mi12:15:242:11:136:349:18
6:51
+0:09
21M
21.00 mi12:22:382:18:276:367:14
7:14
+0:23
35K
21.75 mi12:27:362:23:256:364:58
6:38
-0:36
23M
23.00 mi12:36:192:32:086:378:43
6:58
+0:20
24M
24.00 mi12:43:012:38:506:376:42
6:42
-0:16
40K
24.85 mi12:48:512:44:406:385:50
6:49
+0:07
25.2M
25.20 mi12:51:222:47:116:382:31
7:18
+0:29
Finish
26.22 mi12:57:572:53:466:386:35
6:28
-0:50

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

6:25 /mi

Average Pace

6:38 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:01

94% of race

Time at Steady Pace

9:45

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:38 /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 mi10:24:2320:126:3020:12
6:30
#3863
10K
6.21 mi10:44:3440:236:3020:11
6:30
#3779
15K
9.32 mi11:04:421:00:316:3020:08
6:29
#3651
20K
12.43 mi11:24:551:20:446:3020:13
6:30
#3486
Half
13.11 mi11:29:181:25:076:304:23
6:25
#3456
25K
15.53 mi11:45:161:41:056:3015:58
6:35
#3430
30K
18.64 mi12:06:062:01:556:3220:50
6:42
#3269
20M
20.00 mi12:15:242:11:136:349:18
6:51
#3214
21M
21.00 mi12:22:382:18:276:367:14
7:14
#3191
35K
21.75 mi12:27:362:23:256:364:58
6:38
#3176
23M
23.00 mi12:36:192:32:086:378:43
6:58
#3137
24M
24.00 mi12:43:012:38:506:376:42
6:42
#3086
40K
24.85 mi12:48:512:44:406:385:50
6:49
#3045
25.2M
25.20 mi12:51:222:47:116:382:31
7:18
#3013
Finish
26.22 mi12:57:572:53:466:386:35
6:28
#2964
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi38632012013450(Top 12%)176(Top 1%)176(Top 3%)
10K6.21 mi3.10 mi3779+84197+4197+43709(Top 13%)202(Top 2%)202(Top 4%)
15K9.32 mi3.11 mi3651+128191+6191+63450(Top 12%)176(Top 1%)176(Top 3%)
20K12.43 mi3.11 mi3486+165175+16175+163182(Top 11%)156(Top 1%)156(Top 3%)
Half13.11 mi0.68 mi3456+301751753295(Top 12%)158(Top 1%)158(Top 3%)
25K15.53 mi2.42 mi3430+26166+9166+93386(Top 12%)181(Top 1%)181(Top 3%)
30K18.64 mi3.11 mi3269+161164+2164+22923(Top 10%)160(Top 1%)160(Top 3%)
20M20.00 mi1.36 mi3214+55161+3161+33194(Top 11%)225(Top 2%)225(Top 4%)
21M21.00 mi1.00 mi3191+23162-1162-13315(Top 12%)253(Top 2%)253(Top 5%)
35K21.75 mi0.75 mi3176+15163-1163-13202(Top 11%)251(Top 2%)251(Top 5%)
23M23.00 mi1.25 mi3137+39165-2165-23556(Top 13%)321(Top 3%)321(Top 6%)
24M24.00 mi1.00 mi3086+51164+1164+13016(Top 11%)269(Top 2%)269(Top 5%)
40K24.85 mi0.85 mi3045+411641642988(Top 11%)282(Top 2%)282(Top 5%)
25.2M25.20 mi0.35 mi3013+32162+2162+22604(Top 9%)266(Top 2%)266(Top 5%)
Finish26.22 mi1.02 mi2964+49161+1161+12654(Top 9%)244(Top 2%)244(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3450

Females

176

F18-39

176

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3709

Females

202

F18-39

202

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3450

Females

176

F18-39

176

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3182

Females

156

F18-39

156

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3295

Females

158

F18-39

158

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3386

Females

181

F18-39

181

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2923

Females

160

F18-39

160

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3194

Females

225

F18-39

225

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3315

Females

253

F18-39

253

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3202

Females

251

F18-39

251

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3556

Females

321

F18-39

321

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3016

Females

269

F18-39

269

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2988

Females

282

F18-39

282

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2604

Females

266

F18-39

266

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2654

Females

244

F18-39

244

Passing Analysis

Category:
Athletes Passed
1348
Passed By
449
Net Change
+899
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3863
5K → 10K18399+84#3863#3779
10K → 15K17648+128#3779#3651
15K → 20K18924+165#3651#3486
20K → Half355+30#3486#3456
Half → 25K8155+26#3456#3430
25K → 30K19433+161#3430#3269
30K → 20M7823+55#3269#3214
20M → 21M6744+23#3214#3191
21M → 35K3520+15#3191#3176
35K → 23M7637+39#3176#3137
23M → 24M7322+51#3137#3086
24M → 40K5817+41#3086#3045
40K → 25.2M364+32#3045#3013
25.2M → Finish6718+49#3013#2964
TOTALS1348449+899
📊

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