Boston Marathon logo
BOSTON MARATHON 2025

Nathalie Hourman

Bib: 22000•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Masters (Masters Women)
#0 / 6759
Top 37%
Division (F55-59)
#0 / 994
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
8:05/mi
25:06
↑ 97↓ 3451.5%
10K· 6.21 mi
8:18/mi
50:53
↑ 79↓ 1380.4%
15K· 9.32 mi
8:22/mi
1:16:53
↑ 67↓ 78
20K· 12.43 mi
8:21/mi
1:42:50
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:48:32
↑ 19↓ 370.5%
25K· 15.53 mi
8:32/mi
2:09:14
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:36:33
↑ 181↓ 1480.2%
20M
8:51/mi
2:48:35
↑ 64↓ 500.2%
21M
9:19/mi
2:57:54
↑ 106↓ 241.6%
35K· 21.75 mi
8:36/mi
3:04:20
↑ 17↓ 861.7%
23M
8:55/mi
3:15:30
↑ 23↓ 630.6%
24M
8:48/mi
3:24:18
↓ 821.3%
40K· 24.85 mi
8:49/mi
3:31:50
↓ 200.3%
25.2M
9:34/mi
3:35:08
↑ 13↓ 160.2%
Finish· 26.22 mi
8:35/mi
3:43:53
↑ 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 HalfFaster
Distance13.11 mi
Time1:48:32
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:55:21
Pace8:48 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0625:068:0525:06
8:05
-
10K
6.21 mi11:45:5350:538:1125:47
8:18
+0:13
15K
9.32 mi12:11:531:16:538:1526:00
8:22
+0:04
20K
12.43 mi12:37:501:42:508:1625:57
8:21
-0:01
Half
13.11 mi12:43:321:48:328:175:42
8:21
0:00
25K
15.53 mi13:04:142:09:148:1920:42
8:32
+0:11
30K
18.64 mi13:31:332:36:338:2427:19
8:48
+0:16
20M
20.00 mi13:43:352:48:358:2612:02
8:51
+0:03
21M
21.00 mi13:52:542:57:548:289:19
9:19
+0:28
35K
21.75 mi13:59:203:04:208:296:26
8:36
-0:43
23M
23.00 mi14:10:303:15:308:3011:10
8:55
+0:19
24M
24.00 mi14:19:183:24:188:318:48
8:48
-0:07
40K
24.85 mi14:26:503:31:508:317:32
8:49
+0:01
25.2M
25.20 mi14:30:083:35:088:323:18
9:34
+0:45
Finish
26.22 mi14:38:533:43:538:338:45
8:35
-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

8:05 /mi

Average Pace

8:33 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:06

89% of race

Time at Steady Pace

20:29

9% of race

Time at Slower Pace

3:18

1% of race

Average Pace: 8:32 /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 mi11:20:0625:068:0525:06
8:05
#17230
10K
6.21 mi11:45:5350:538:1125:47
8:18
#17905
15K
9.32 mi12:11:531:16:538:1526:00
8:22
#18095
20K
12.43 mi12:37:501:42:508:1625:57
8:21
#17842
Half
13.11 mi12:43:321:48:328:175:42
8:21
#17848
25K
15.53 mi13:04:142:09:148:1920:42
8:32
#17708
30K
18.64 mi13:31:332:36:338:2427:19
8:48
#17452
20M
20.00 mi13:43:352:48:358:2612:02
8:51
#17327
21M
21.00 mi13:52:542:57:548:289:19
9:19
#17170
35K
21.75 mi13:59:203:04:208:296:26
8:36
#17120
23M
23.00 mi14:10:303:15:308:3011:10
8:55
#17012
24M
24.00 mi14:19:183:24:188:318:48
8:48
#16971
40K
24.85 mi14:26:503:31:508:317:32
8:49
#16901
25.2M
25.20 mi14:30:083:35:088:323:18
9:34
#16846
Finish
26.22 mi14:38:533:43:538:338:45
8:35
#16860
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi172305877587718509(Top 65%)6608(Top 54%)6608(Top 665%)
10K6.21 mi3.10 mi17905-6756271-3946271-39418556(Top 65%)6625(Top 54%)6625(Top 666%)
15K9.32 mi3.11 mi18095-1906386-1156386-11518509(Top 65%)6608(Top 54%)6608(Top 665%)
20K12.43 mi3.11 mi17842+2536245+1416245+14117253(Top 61%)5916(Top 48%)5916(Top 595%)
Half13.11 mi0.68 mi17848-66256-116256-1118319(Top 64%)6496(Top 53%)6496(Top 654%)
25K15.53 mi2.42 mi17708+1406181+756181+7517418(Top 61%)6093(Top 50%)6093(Top 613%)
30K18.64 mi3.11 mi17452+2566089+926089+9216572(Top 58%)5788(Top 47%)5788(Top 582%)
20M20.00 mi1.36 mi17327+1256041+486041+4815989(Top 56%)5589(Top 46%)5589(Top 562%)
21M21.00 mi1.00 mi17170+1575976+655976+6515263(Top 54%)5327(Top 44%)5327(Top 536%)
35K21.75 mi0.75 mi17120+505977-15977-116093(Top 57%)5836(Top 48%)5836(Top 587%)
23M23.00 mi1.25 mi17012+1085940+375940+3715815(Top 56%)5786(Top 47%)5786(Top 582%)
24M24.00 mi1.00 mi16971+415939+15939+116343(Top 58%)6123(Top 50%)6123(Top 616%)
40K24.85 mi0.85 mi16901+705930+95930+915280(Top 54%)5682(Top 46%)5682(Top 572%)
25.2M25.20 mi0.35 mi16846+555918+125918+1215018(Top 53%)5565(Top 46%)5565(Top 560%)
Finish26.22 mi1.02 mi16860-145942-245942-2416779(Top 59%)6440(Top 53%)6440(Top 648%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18509

Females

6608

F55-59

6608

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

18556

Females

6625

F55-59

6625

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18509

Females

6608

F55-59

6608

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

17253

Females

5916

F55-59

5916

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18319

Females

6496

F55-59

6496

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17418

Females

6093

F55-59

6093

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16572

Females

5788

F55-59

5788

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15989

Females

5589

F55-59

5589

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15263

Females

5327

F55-59

5327

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16093

Females

5836

F55-59

5836

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

15815

Females

5786

F55-59

5786

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

16343

Females

6123

F55-59

6123

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15280

Females

5682

F55-59

5682

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15018

Females

5565

F55-59

5565

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16779

Females

6440

F55-59

6440

Passing Analysis

Category:
Athletes Passed
2105
Passed By
1735
Net Change
+370
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17230
5K → 10K100775-675#17230#17905
10K → 15K128318-190#17905#18095
15K → 20K31966+253#18095#17842
20K → Half3137-6#17842#17848
Half → 25K22888+140#17848#17708
25K → 30K34488+256#17708#17452
30K → 20M17247+125#17452#17327
20M → 21M18730+157#17327#17170
21M → 35K8939+50#17170#17120
35K → 23M16153+108#17120#17012
23M → 24M9453+41#17012#16971
24M → 40K11444+70#16971#16901
40K → 25.2M6914+55#16901#16846
25.2M → Finish6983-14#16846#16860
TOTALS21051735+370
📊

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