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BOSTON MARATHON 2025

Sarah Poplawski

Bib: 21324•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 48%
Masters (Masters Women)
#0 / 6759
Top 36%
Division (F45-49)
#0 / 1813
Top 44%
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
8:00/mi
24:50
↑ 97↓ 3451.5%
10K· 6.21 mi
8:11/mi
50:16
↑ 79↓ 1380.4%
15K· 9.32 mi
8:11/mi
1:15:43
↑ 67↓ 78
20K· 12.43 mi
8:16/mi
1:41:24
↑ 106↓ 860.1%
Half· 13.11 mi
8:07/mi
1:46:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:13/mi
2:06:51
↑ 66↓ 880.2%
30K· 18.64 mi
8:47/mi
2:34:07
↑ 181↓ 1480.2%
20M
9:07/mi
2:46:30
↑ 64↓ 500.2%
21M
9:49/mi
2:56:19
↑ 106↓ 241.6%
35K· 21.75 mi
8:45/mi
3:02:52
↑ 17↓ 861.7%
23M
9:09/mi
3:14:19
↑ 23↓ 630.6%
24M
9:01/mi
3:23:20
↓ 821.3%
40K· 24.85 mi
8:53/mi
3:30:56
↓ 200.3%
25.2M
9:34/mi
3:34:14
↑ 13↓ 160.2%
Finish· 26.22 mi
8:40/mi
3:43:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:56
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:56:08
Pace8:52 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4224:508:0024:50
8:00
-
10K
6.21 mi11:44:0850:168:0525:26
8:11
+0:11
15K
9.32 mi12:09:351:15:438:0725:27
8:11
0:00
20K
12.43 mi12:35:161:41:248:1025:41
8:16
+0:05
Half
13.11 mi12:40:481:46:568:095:32
8:07
-0:09
25K
15.53 mi13:00:432:06:518:1019:55
8:13
+0:06
30K
18.64 mi13:27:592:34:078:1627:16
8:47
+0:34
20M
20.00 mi13:40:222:46:308:1912:23
9:07
+0:20
21M
21.00 mi13:50:112:56:198:249:49
9:49
+0:42
35K
21.75 mi13:56:443:02:528:256:33
8:45
-1:04
23M
23.00 mi14:08:113:14:198:2711:27
9:09
+0:24
24M
24.00 mi14:17:123:23:208:289:01
9:01
-0:08
40K
24.85 mi14:24:483:30:568:297:36
8:53
-0:08
25.2M
25.20 mi14:28:063:34:148:303:18
9:34
+0:41
Finish
26.22 mi14:36:563:43:048:318:50
8:40
-0:54

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

8:00 /mi

Average Pace

8:31 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:51

57% of race

Time at Steady Pace

59:16

27% of race

Time at Slower Pace

36:57

17% of race

Average Pace: 8:30 /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 mi11:18:4224:508:0024:50
8:00
#16545
10K
6.21 mi11:44:0850:168:0525:26
8:11
#17195
15K
9.32 mi12:09:351:15:438:0725:27
8:11
#17257
20K
12.43 mi12:35:161:41:248:1025:41
8:16
#17099
Half
13.11 mi12:40:481:46:568:095:32
8:07
#17058
25K
15.53 mi13:00:432:06:518:1019:55
8:13
#16747
30K
18.64 mi13:27:592:34:078:1627:16
8:47
#16645
20M
20.00 mi13:40:222:46:308:1912:23
9:07
#16675
21M
21.00 mi13:50:112:56:198:249:49
9:49
#16681
35K
21.75 mi13:56:443:02:528:256:33
8:45
#16678
23M
23.00 mi14:08:113:14:198:2711:27
9:09
#16680
24M
24.00 mi14:17:123:23:208:289:01
9:01
#16706
40K
24.85 mi14:24:483:30:568:297:36
8:53
#16653
25.2M
25.20 mi14:28:063:34:148:303:18
9:34
#16635
Finish
26.22 mi14:36:563:43:048:318:50
8:40
#16645
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi165455481548117344(Top 61%)5923(Top 48%)5923(Top 327%)
10K6.21 mi3.10 mi17195-6505843-3625843-36217796(Top 63%)6175(Top 50%)6175(Top 341%)
15K9.32 mi3.11 mi17257-625867-245867-2417344(Top 61%)5923(Top 48%)5923(Top 327%)
20K12.43 mi3.11 mi17099+1585803+645803+6416755(Top 59%)5639(Top 46%)5639(Top 311%)
Half13.11 mi0.68 mi17058+415780+235780+2316744(Top 59%)5619(Top 46%)5619(Top 310%)
25K15.53 mi2.42 mi16747+3115613+1675613+16715417(Top 54%)4970(Top 41%)4970(Top 274%)
30K18.64 mi3.11 mi16645+1025609+45609+416469(Top 58%)5724(Top 47%)5724(Top 316%)
20M20.00 mi1.36 mi16675-305648-395648-3917379(Top 61%)6352(Top 52%)6352(Top 350%)
21M21.00 mi1.00 mi16681-65690-425690-4217561(Top 62%)6560(Top 54%)6560(Top 362%)
35K21.75 mi0.75 mi16678+35709-195709-1917041(Top 60%)6362(Top 52%)6362(Top 351%)
23M23.00 mi1.25 mi16680-25743-345743-3417087(Top 60%)6497(Top 53%)6497(Top 358%)
24M24.00 mi1.00 mi16706-265784-415784-4117461(Top 61%)6738(Top 55%)6738(Top 372%)
40K24.85 mi0.85 mi16653+535785-15785-115725(Top 55%)5909(Top 48%)5909(Top 326%)
25.2M25.20 mi0.35 mi16635+185786-15786-115013(Top 53%)5560(Top 45%)5560(Top 307%)
Finish26.22 mi1.02 mi16645-105816-305816-3017295(Top 61%)6698(Top 55%)6698(Top 369%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17344

Females

5923

F45-49

5923

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

17796

Females

6175

F45-49

6175

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17344

Females

5923

F45-49

5923

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16755

Females

5639

F45-49

5639

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16744

Females

5619

F45-49

5619

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15417

Females

4970

F45-49

4970

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16469

Females

5724

F45-49

5724

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17379

Females

6352

F45-49

6352

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17561

Females

6560

F45-49

6560

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

17041

Females

6362

F45-49

6362

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

17087

Females

6497

F45-49

6497

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

17461

Females

6738

F45-49

6738

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15725

Females

5909

F45-49

5909

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15013

Females

5560

F45-49

5560

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

17295

Females

6698

F45-49

6698

Passing Analysis

Category:
Athletes Passed
1858
Passed By
1958
Net Change
-100
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16545
5K → 10K106756-650#16545#17195
10K → 15K168230-62#17195#17257
15K → 20K267109+158#17257#17099
20K → Half5211+41#17099#17058
Half → 25K33120+311#17058#16747
25K → 30K262160+102#16747#16645
30K → 20M101131-30#16645#16675
20M → 21M108114-6#16675#16681
21M → 35K6461+3#16681#16678
35K → 23M113115-2#16678#16680
23M → 24M7096-26#16680#16706
24M → 40K10249+53#16706#16653
40K → 25.2M4123+18#16653#16635
25.2M → Finish7383-10#16635#16645
TOTALS18581958-100
📊

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