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BOSTON MARATHON 2025

Ann-Julie Auclair

Bib: 9896•F

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 10%
Masters (Masters Women)
#0 / 6759
Top 3%
Division (F45-49)
#0 / 1813
Top 3%
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
7:25/mi
23:01
↑ 97↓ 3451.5%
10K· 6.21 mi
7:22/mi
45:55
↑ 79↓ 1380.4%
15K· 9.32 mi
7:20/mi
1:08:43
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:31:36
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:36:34
↑ 19↓ 370.5%
25K· 15.53 mi
7:21/mi
1:54:23
↑ 66↓ 880.2%
30K· 18.64 mi
7:24/mi
2:17:23
↑ 181↓ 1480.2%
20M
7:19/mi
2:27:19
↑ 64↓ 500.2%
21M
7:33/mi
2:34:52
↑ 106↓ 241.6%
35K· 21.75 mi
7:00/mi
2:40:06
↑ 17↓ 861.7%
23M
7:18/mi
2:49:14
↑ 23↓ 630.6%
24M
6:57/mi
2:56:11
↓ 821.3%
40K· 24.85 mi
6:58/mi
3:02:08
↓ 200.3%
25.2M
7:35/mi
3:04:45
↑ 13↓ 160.2%
Finish· 26.22 mi
6:42/mi
3:11:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:36:34
Pace7:22 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:01
Pace7:15 /mi
📊Negative Split: 1.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3723:017:2523:01
7:25
-
10K
6.21 mi11:12:3145:557:2322:54
7:22
-0:03
15K
9.32 mi11:35:191:08:437:2222:48
7:20
-0:02
20K
12.43 mi11:58:121:31:367:2222:53
7:22
+0:02
Half
13.11 mi12:03:101:36:347:224:58
7:17
-0:05
25K
15.53 mi12:20:591:54:237:2217:49
7:21
+0:04
30K
18.64 mi12:43:592:17:237:2223:00
7:24
+0:03
20M
20.00 mi12:53:552:27:197:229:56
7:19
-0:05
21M
21.00 mi13:01:282:34:527:227:33
7:33
+0:14
35K
21.75 mi13:06:422:40:067:225:14
7:00
-0:33
23M
23.00 mi13:15:502:49:147:219:08
7:18
+0:18
24M
24.00 mi13:22:472:56:117:206:57
6:57
-0:21
40K
24.85 mi13:28:443:02:087:205:57
6:58
+0:01
25.2M
25.20 mi13:31:213:04:457:202:37
7:35
+0:37
Finish
26.22 mi13:38:113:11:357:196:50
6:42
-0:53

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

6:42 /mi

Average Pace

7:19 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:24

71% of race

Time at Steady Pace

56:11

29% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:49:3723:017:2523:01
7:25
#11409
10K
6.21 mi11:12:3145:557:2322:54
7:22
#11152
15K
9.32 mi11:35:191:08:437:2222:48
7:20
#10824
20K
12.43 mi11:58:121:31:367:2222:53
7:22
#10506
Half
13.11 mi12:03:101:36:347:224:58
7:17
#10457
25K
15.53 mi12:20:591:54:237:2217:49
7:21
#10121
30K
18.64 mi12:43:592:17:237:2223:00
7:24
#9445
20M
20.00 mi12:53:552:27:197:229:56
7:19
#9111
21M
21.00 mi13:01:282:34:527:227:33
7:33
#8760
35K
21.75 mi13:06:422:40:067:225:14
7:00
#8579
23M
23.00 mi13:15:502:49:147:219:08
7:18
#8288
24M
24.00 mi13:22:472:56:117:206:57
6:57
#8031
40K
24.85 mi13:28:443:02:087:205:57
6:58
#7796
25.2M
25.20 mi13:31:213:04:457:202:37
7:35
#7699
Finish
26.22 mi13:38:113:11:357:196:50
6:42
#7498
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi114092478247810315(Top 36%)2026(Top 17%)2026(Top 112%)
10K6.21 mi3.10 mi11152+2572368+1102368+11010922(Top 38%)2263(Top 19%)2263(Top 125%)
15K9.32 mi3.11 mi10824+3282235+1332235+13310315(Top 36%)2026(Top 17%)2026(Top 112%)
20K12.43 mi3.11 mi10506+3182101+1342101+1349596(Top 34%)1777(Top 15%)1777(Top 98%)
Half13.11 mi0.68 mi10457+492084+172084+179835(Top 35%)1851(Top 15%)1851(Top 102%)
25K15.53 mi2.42 mi10121+3361966+1181966+1188728(Top 31%)1512(Top 12%)1512(Top 83%)
30K18.64 mi3.11 mi9445+6761701+2651701+2657085(Top 25%)1042(Top 9%)1042(Top 57%)
20M20.00 mi1.36 mi9111+3341582+1191582+1195878(Top 21%)758(Top 6%)758(Top 42%)
21M21.00 mi1.00 mi8760+3511468+1141468+1144903(Top 17%)594(Top 5%)594(Top 33%)
35K21.75 mi0.75 mi8579+1811422+461422+465385(Top 19%)739(Top 6%)739(Top 41%)
23M23.00 mi1.25 mi8288+2911347+751347+755471(Top 19%)817(Top 7%)817(Top 45%)
24M24.00 mi1.00 mi8031+2571294+531294+534400(Top 15%)559(Top 5%)559(Top 31%)
40K24.85 mi0.85 mi7796+2351232+621232+623711(Top 13%)441(Top 4%)441(Top 24%)
25.2M25.20 mi0.35 mi7699+971215+171215+173916(Top 14%)550(Top 4%)550(Top 30%)
Finish26.22 mi1.02 mi7498+2011173+421173+423956(Top 14%)548(Top 4%)548(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

10315

Females

2026

F45-49

2026

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10922

Females

2263

F45-49

2263

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

10315

Females

2026

F45-49

2026

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9596

Females

1777

F45-49

1777

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9835

Females

1851

F45-49

1851

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8728

Females

1512

F45-49

1512

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

7085

Females

1042

F45-49

1042

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5878

Females

758

F45-49

758

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4903

Females

594

F45-49

594

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

5385

Females

739

F45-49

739

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5471

Females

817

F45-49

817

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4400

Females

559

F45-49

559

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3711

Females

441

F45-49

441

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3916

Females

550

F45-49

550

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2story building
+22ft-21ft

Overall

3956

Females

548

F45-49

548

Passing Analysis

Category:
Athletes Passed
4193*
Passed By
282
Net Change
+3911
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11409
5K → 10K406149+257#11409#11152
10K → 15K37345+328#11152#10824
15K → 20K35436+318#10824#10506
20K → Half6516+49#10506#10457
Half → 25K35620+336#10457#10121
25K → 30K677*1+676#10121#9445
30K → 20M3373+334#9445#9111
20M → 21M3532+351#9111#8760
21M → 35K1832+181#8760#8579
35K → 23M2943+291#8579#8288
23M → 24M2581+257#8288#8031
24M → 40K2350+235#8031#7796
40K → 25.2M1003+97#7796#7699
25.2M → Finish2021+201#7699#7498
TOTALS4193*282+3911

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing