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BOSTON MARATHON 2025

Greta Broneill

Bib: 15866•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Masters (Masters Women)
#0 / 6759
Top 11%
Division (F40-44)
#0 / 1718
Top 23%
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
7:00/mi
21:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:19/mi
44:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:07:27
↑ 67↓ 78
20K· 12.43 mi
7:38/mi
1:31:11
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:36:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
1:55:14
↑ 66↓ 880.2%
30K· 18.64 mi
8:14/mi
2:20:49
↑ 181↓ 1480.2%
20M
8:21/mi
2:32:10
↑ 64↓ 500.2%
21M
8:35/mi
2:40:45
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
2:46:42
↑ 17↓ 861.7%
23M
8:26/mi
2:57:15
↑ 23↓ 630.6%
24M
8:06/mi
3:05:21
↓ 821.3%
40K· 24.85 mi
8:26/mi
3:12:34
↓ 200.3%
25.2M
9:05/mi
3:15:42
↑ 13↓ 160.2%
Finish· 26.22 mi
8:18/mi
3:24:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:20
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:47:49
Pace8:13 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0321:447:0021:44
7:00
-
10K
6.21 mi11:15:4644:277:0922:43
7:19
+0:19
15K
9.32 mi11:38:461:07:277:1423:00
7:24
+0:05
20K
12.43 mi12:02:301:31:117:2023:44
7:38
+0:14
Half
13.11 mi12:07:391:36:207:215:09
7:33
-0:05
25K
15.53 mi12:26:331:55:147:2518:54
7:48
+0:15
30K
18.64 mi12:52:082:20:497:3325:35
8:14
+0:26
20M
20.00 mi13:03:292:32:107:3611:21
8:21
+0:07
21M
21.00 mi13:12:042:40:457:398:35
8:35
+0:14
35K
21.75 mi13:18:012:46:427:405:57
7:57
-0:38
23M
23.00 mi13:28:342:57:157:4210:33
8:26
+0:29
24M
24.00 mi13:36:403:05:217:438:06
8:06
-0:20
40K
24.85 mi13:43:533:12:347:457:13
8:26
+0:20
25.2M
25.20 mi13:47:013:15:427:463:08
9:05
+0:39
Finish
26.22 mi13:55:283:24:097:488:27
8:18
-0:47

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

7:00 /mi

Average Pace

7:48 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:14

56% of race

Time at Steady Pace

59:26

29% of race

Time at Slower Pace

29:29

14% of race

Average Pace: 7:47 /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 mi10:53:0321:447:0021:44
7:00
#7801
10K
6.21 mi11:15:4644:277:0922:43
7:19
#9076
15K
9.32 mi11:38:461:07:277:1423:00
7:24
#9636
20K
12.43 mi12:02:301:31:117:2023:44
7:38
#10194
Half
13.11 mi12:07:391:36:207:215:09
7:33
#10289
25K
15.53 mi12:26:331:55:147:2518:54
7:48
#10599
30K
18.64 mi12:52:082:20:497:3325:35
8:14
#11070
20M
20.00 mi13:03:292:32:107:3611:21
8:21
#11158
21M
21.00 mi13:12:042:40:457:398:35
8:35
#11106
35K
21.75 mi13:18:012:46:427:405:57
7:57
#11121
23M
23.00 mi13:28:342:57:157:4210:33
8:26
#11191
24M
24.00 mi13:36:403:05:217:438:06
8:06
#11186
40K
24.85 mi13:43:533:12:347:457:13
8:26
#11239
25.2M
25.20 mi13:47:013:15:427:463:08
9:05
#11247
Finish
26.22 mi13:55:283:24:097:488:27
8:18
#11393
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi780191991910935(Top 38%)2344(Top 19%)2344(Top 136%)
10K6.21 mi3.10 mi9076-12751411-4921411-49210462(Top 37%)2045(Top 17%)2045(Top 119%)
15K9.32 mi3.11 mi9636-5601665-2541665-25410935(Top 38%)2344(Top 19%)2344(Top 136%)
20K12.43 mi3.11 mi10194-5581959-2941959-29411883(Top 42%)2940(Top 24%)2940(Top 171%)
Half13.11 mi0.68 mi10289-952013-542013-5412188(Top 43%)3049(Top 25%)3049(Top 177%)
25K15.53 mi2.42 mi10599-3102182-1692182-16912311(Top 43%)3278(Top 27%)3278(Top 191%)
30K18.64 mi3.11 mi11070-4712503-3212503-32113057(Top 46%)3854(Top 32%)3854(Top 224%)
20M20.00 mi1.36 mi11158-882589-862589-8612846(Top 45%)3875(Top 32%)3875(Top 226%)
21M21.00 mi1.00 mi11106+522604-152604-1511004(Top 39%)3099(Top 25%)3099(Top 180%)
35K21.75 mi0.75 mi11121-152632-282632-2811957(Top 42%)3614(Top 30%)3614(Top 210%)
23M23.00 mi1.25 mi11191-702718-862718-8612857(Top 45%)4189(Top 34%)4189(Top 244%)
24M24.00 mi1.00 mi11186+52752-342752-3411916(Top 42%)3755(Top 31%)3755(Top 219%)
40K24.85 mi0.85 mi11239-532816-642816-6413050(Top 46%)4461(Top 36%)4461(Top 260%)
25.2M25.20 mi0.35 mi11247-82841-252841-2512309(Top 43%)4108(Top 34%)4108(Top 239%)
Finish26.22 mi1.02 mi11393-1462950-1092950-10914863(Top 52%)5391(Top 44%)5391(Top 314%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10935

Females

2344

F40-44

2344

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10462

Females

2045

F40-44

2045

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10935

Females

2344

F40-44

2344

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11883

Females

2940

F40-44

2940

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

12188

Females

3049

F40-44

3049

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12311

Females

3278

F40-44

3278

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

13057

Females

3854

F40-44

3854

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12846

Females

3875

F40-44

3875

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11004

Females

3099

F40-44

3099

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11957

Females

3614

F40-44

3614

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12857

Females

4189

F40-44

4189

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11916

Females

3755

F40-44

3755

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13050

Females

4461

F40-44

4461

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12309

Females

4108

F40-44

4108

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

14863

Females

5391

F40-44

5391

Passing Analysis

Category:
Athletes Passed
908
Passed By
4497
Net Change
-3592
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7801
5K → 10K91284-1275#7801#9076
10K → 15K44604-560#9076#9636
15K → 20K70626-558#9636#10194
20K → Half12107-95#10194#10289
Half → 25K90400-310#10289#10599
25K → 30K113583-471#10599#11070
30K → 20M91179-88#11070#11158
20M → 21M12068+52#11158#11106
21M → 35K5368-15#11106#11121
35K → 23M92162-70#11121#11191
23M → 24M8782+5#11191#11186
24M → 40K52105-53#11186#11239
40K → 25.2M3846-8#11239#11247
25.2M → Finish37183-146#11247#11393
TOTALS9084497-3592
📊

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