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BOSTON MARATHON 2025

Marie Parsons

Bib: 10878•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 27%
Gender (Female)
#0 / 12228
Top 10%
Division (F18-39)
#0 / 5469
Top 18%
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
7:08/mi
22:10
↑ 97↓ 3451.5%
10K· 6.21 mi
7:10/mi
44:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:04/mi
1:06:24
↑ 67↓ 78
20K· 12.43 mi
7:08/mi
1:28:34
↑ 106↓ 860.1%
Half· 13.11 mi
7:04/mi
1:33:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:12/mi
1:50:50
↑ 66↓ 880.2%
30K· 18.64 mi
7:30/mi
2:14:08
↑ 181↓ 1480.2%
20M
7:36/mi
2:24:27
↑ 64↓ 500.2%
21M
8:11/mi
2:32:38
↑ 106↓ 241.6%
35K· 21.75 mi
7:40/mi
2:38:22
↑ 17↓ 861.7%
23M
7:33/mi
2:47:49
↑ 23↓ 630.6%
24M
7:27/mi
2:55:16
↓ 821.3%
40K· 24.85 mi
7:28/mi
3:01:39
↓ 200.3%
25.2M
8:16/mi
3:04:30
↑ 13↓ 160.2%
Finish· 26.22 mi
7:07/mi
3:11:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:23
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:38:22
Pace7:30 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1822:107:0822:10
7:08
-
10K
6.21 mi11:11:3544:277:0922:17
7:10
+0:02
15K
9.32 mi11:33:321:06:247:0721:57
7:04
-0:06
20K
12.43 mi11:55:421:28:347:0822:10
7:08
+0:04
Half
13.11 mi12:00:311:33:237:074:49
7:04
-0:04
25K
15.53 mi12:17:581:50:507:0817:27
7:12
+0:08
30K
18.64 mi12:41:162:14:087:1223:18
7:30
+0:18
20M
20.00 mi12:51:352:24:277:1310:19
7:36
+0:06
21M
21.00 mi12:59:462:32:387:168:11
8:11
+0:35
35K
21.75 mi13:05:302:38:227:175:44
7:40
-0:31
23M
23.00 mi13:14:572:47:497:189:27
7:33
-0:07
24M
24.00 mi13:22:242:55:167:187:27
7:27
-0:06
40K
24.85 mi13:28:473:01:397:196:23
7:28
+0:01
25.2M
25.20 mi13:31:383:04:307:192:51
8:16
+0:48
Finish
26.22 mi13:38:533:11:457:197:15
7:07
-1:09

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

7:04 /mi

Average Pace

7:19 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:43

94% of race

Time at Steady Pace

11:02

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:19 /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 mi10:49:1822:107:0822:10
7:08
#8937
10K
6.21 mi11:11:3544:277:0922:17
7:10
#9070
15K
9.32 mi11:33:321:06:247:0721:57
7:04
#8699
20K
12.43 mi11:55:421:28:347:0822:10
7:08
#8357
Half
13.11 mi12:00:311:33:237:074:49
7:04
#8332
25K
15.53 mi12:17:581:50:507:0817:27
7:12
#8183
30K
18.64 mi12:41:162:14:087:1223:18
7:30
#7993
20M
20.00 mi12:51:352:24:277:1310:19
7:36
#7926
21M
21.00 mi12:59:462:32:387:168:11
8:11
#7876
35K
21.75 mi13:05:302:38:227:175:44
7:40
#7907
23M
23.00 mi13:14:572:47:497:189:27
7:33
#7781
24M
24.00 mi13:22:242:55:167:187:27
7:27
#7739
40K
24.85 mi13:28:473:01:397:196:23
7:28
#7650
25.2M
25.20 mi13:31:383:04:307:192:51
8:16
#7625
Finish
26.22 mi13:38:533:11:457:197:15
7:07
#7535
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8937134613468099(Top 29%)1074(Top 9%)1074(Top 20%)
10K6.21 mi3.10 mi9070-1331405-591405-599269(Top 33%)1494(Top 12%)1494(Top 27%)
15K9.32 mi3.11 mi8699+3711268+1371268+1378099(Top 29%)1074(Top 9%)1074(Top 20%)
20K12.43 mi3.11 mi8357+3421170+981170+987729(Top 27%)1014(Top 8%)1014(Top 19%)
Half13.11 mi0.68 mi8332+251160+101160+108066(Top 28%)1110(Top 9%)1110(Top 20%)
25K15.53 mi2.42 mi8183+1491126+341126+347617(Top 27%)1078(Top 9%)1078(Top 20%)
30K18.64 mi3.11 mi7993+1901108+181108+187745(Top 27%)1290(Top 11%)1290(Top 24%)
20M20.00 mi1.36 mi7926+671121-131121-137639(Top 27%)1385(Top 11%)1385(Top 25%)
21M21.00 mi1.00 mi7876+501128-71128-78488(Top 30%)1923(Top 16%)1923(Top 35%)
35K21.75 mi0.75 mi7907-311163-351163-359805(Top 35%)2497(Top 20%)2497(Top 46%)
23M23.00 mi1.25 mi7781+1261164-11164-16919(Top 24%)1357(Top 11%)1357(Top 25%)
24M24.00 mi1.00 mi7739+421176-121176-127370(Top 26%)1600(Top 13%)1600(Top 29%)
40K24.85 mi0.85 mi7650+891183-71183-76621(Top 23%)1386(Top 11%)1386(Top 25%)
25.2M25.20 mi0.35 mi7625+251187-41187-47492(Top 26%)1832(Top 15%)1832(Top 33%)
Finish26.22 mi1.02 mi7535+90118711876491(Top 23%)1434(Top 12%)1434(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

8099

Females

1074

F18-39

1074

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

9269

Females

1494

F18-39

1494

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

8099

Females

1074

F18-39

1074

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7729

Females

1014

F18-39

1014

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

8066

Females

1110

F18-39

1110

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7617

Females

1078

F18-39

1078

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7745

Females

1290

F18-39

1290

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7639

Females

1385

F18-39

1385

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8488

Females

1923

F18-39

1923

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9805

Females

2497

F18-39

2497

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6919

Females

1357

F18-39

1357

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7370

Females

1600

F18-39

1600

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6621

Females

1386

F18-39

1386

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7492

Females

1832

F18-39

1832

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6491

Females

1434

F18-39

1434

Passing Analysis

Category:
Athletes Passed
2261
Passed By
859
Net Change
+1402
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8937
5K → 10K163296-133#8937#9070
10K → 15K40332+371#9070#8699
15K → 20K37331+342#8699#8357
20K → Half3813+25#8357#8332
Half → 25K20152+149#8332#8183
25K → 30K26979+190#8183#7993
30K → 20M12558+67#7993#7926
20M → 21M12373+50#7926#7876
21M → 35K4778-31#7876#7907
35K → 23M16337+126#7907#7781
23M → 24M8745+42#7781#7739
24M → 40K11829+89#7739#7650
40K → 25.2M4217+25#7650#7625
25.2M → Finish10919+90#7625#7535
TOTALS2261859+1402
📊

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