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BOSTON MARATHON 2025

Suzanne Barker

Bib: 23687•F

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 46%
Masters (Masters Women)
#0 / 6759
Top 34%
Division (F50-54)
#0 / 1303
Top 27%
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
8:39/mi
26:52
↑ 97↓ 3451.5%
10K· 6.21 mi
8:33/mi
53:26
↑ 79↓ 1380.4%
15K· 9.32 mi
8:22/mi
1:19:25
↑ 67↓ 78
20K· 12.43 mi
8:32/mi
1:45:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:51:31
↑ 19↓ 370.5%
25K· 15.53 mi
8:23/mi
2:11:51
↑ 66↓ 880.2%
30K· 18.64 mi
8:32/mi
2:38:22
↑ 181↓ 1480.2%
20M
8:26/mi
2:49:50
↑ 64↓ 500.2%
21M
9:01/mi
2:58:51
↑ 106↓ 241.6%
35K· 21.75 mi
8:23/mi
3:05:07
↑ 17↓ 861.7%
23M
8:29/mi
3:15:44
↑ 23↓ 630.6%
24M
8:00/mi
3:23:44
↓ 821.3%
40K· 24.85 mi
8:15/mi
3:30:47
↓ 200.3%
25.2M
9:02/mi
3:33:54
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
3:42:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:51:31
Pace8:30 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:50:40
Pace8:27 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0526:528:3926:52
8:39
-
10K
6.21 mi11:51:3953:268:3626:34
8:33
-0:06
15K
9.32 mi12:17:381:19:258:3125:59
8:22
-0:11
20K
12.43 mi12:44:081:45:558:3126:30
8:32
+0:10
Half
13.11 mi12:49:441:51:318:305:36
8:12
-0:20
25K
15.53 mi13:10:042:11:518:2920:20
8:23
+0:11
30K
18.64 mi13:36:352:38:228:3026:31
8:32
+0:09
20M
20.00 mi13:48:032:49:508:2911:28
8:26
-0:06
21M
21.00 mi13:57:042:58:518:319:01
9:01
+0:35
35K
21.75 mi14:03:203:05:078:316:16
8:23
-0:38
23M
23.00 mi14:13:573:15:448:3110:37
8:29
+0:06
24M
24.00 mi14:21:573:23:448:298:00
8:00
-0:29
40K
24.85 mi14:29:003:30:478:297:03
8:15
+0:15
25.2M
25.20 mi14:32:073:33:548:293:07
9:02
+0:47
Finish
26.22 mi14:40:243:42:118:298:17
8:08
-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

8:29 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:30:03

95% of race

Time at Steady Pace

12:08

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:28 /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 mi11:25:0526:528:3926:52
8:39
#20734
10K
6.21 mi11:51:3953:268:3626:34
8:33
#20395
15K
9.32 mi12:17:381:19:258:3125:59
8:22
#19801
20K
12.43 mi12:44:081:45:558:3126:30
8:32
#19407
Half
13.11 mi12:49:441:51:318:305:36
8:12
#19302
25K
15.53 mi13:10:042:11:518:2920:20
8:23
#18839
30K
18.64 mi13:36:352:38:228:3026:31
8:32
#18079
20M
20.00 mi13:48:032:49:508:2911:28
8:26
#17722
21M
21.00 mi13:57:042:58:518:319:01
9:01
#17477
35K
21.75 mi14:03:203:05:078:316:16
8:23
#17345
23M
23.00 mi14:13:573:15:448:3110:37
8:29
#17080
24M
24.00 mi14:21:573:23:448:298:00
8:00
#16821
40K
24.85 mi14:29:003:30:478:297:03
8:15
#16613
25.2M
25.20 mi14:32:073:33:548:293:07
9:02
#16532
Finish
26.22 mi14:40:243:42:118:298:17
8:08
#16404
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi207347930793018475(Top 65%)6591(Top 54%)6591(Top 506%)
10K6.21 mi3.10 mi20395+3397706+2247706+22420098(Top 71%)7515(Top 61%)7515(Top 577%)
15K9.32 mi3.11 mi19801+5947347+3597347+35918475(Top 65%)6591(Top 54%)6591(Top 506%)
20K12.43 mi3.11 mi19407+3947133+2147133+21418436(Top 65%)6586(Top 54%)6586(Top 505%)
Half13.11 mi0.68 mi19302+1057082+517082+5117355(Top 61%)5954(Top 49%)5954(Top 457%)
25K15.53 mi2.42 mi18839+4636820+2626820+26216498(Top 58%)5585(Top 46%)5585(Top 429%)
30K18.64 mi3.11 mi18079+7606441+3796441+37914992(Top 53%)4904(Top 40%)4904(Top 376%)
20M20.00 mi1.36 mi17722+3576275+1666275+16613438(Top 47%)4224(Top 35%)4224(Top 324%)
21M21.00 mi1.00 mi17477+2456155+1206155+12013658(Top 48%)4453(Top 36%)4453(Top 342%)
35K21.75 mi0.75 mi17345+1326106+496106+4914767(Top 52%)5116(Top 42%)5116(Top 393%)
23M23.00 mi1.25 mi17080+2655985+1215985+12113218(Top 47%)4395(Top 36%)4395(Top 337%)
24M24.00 mi1.00 mi16821+2595854+1315854+13111296(Top 40%)3476(Top 28%)3476(Top 267%)
40K24.85 mi0.85 mi16613+2085758+965758+9611895(Top 42%)3882(Top 32%)3882(Top 298%)
25.2M25.20 mi0.35 mi16532+815717+415717+4112119(Top 43%)4060(Top 33%)4060(Top 312%)
Finish26.22 mi1.02 mi16404+1285669+485669+4813827(Top 49%)4873(Top 40%)4873(Top 374%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18475

Females

6591

F50-54

6591

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20098

Females

7515

F50-54

7515

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18475

Females

6591

F50-54

6591

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18436

Females

6586

F50-54

6586

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17355

Females

5954

F50-54

5954

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16498

Females

5585

F50-54

5585

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14992

Females

4904

F50-54

4904

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13438

Females

4224

F50-54

4224

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13658

Females

4453

F50-54

4453

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

14767

Females

5116

F50-54

5116

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13218

Females

4395

F50-54

4395

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11296

Females

3476

F50-54

3476

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11895

Females

3882

F50-54

3882

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12119

Females

4060

F50-54

4060

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13827

Females

4873

F50-54

4873

Passing Analysis

Category:
Athletes Passed
4616
Passed By
286
Net Change
+4330
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20734
5K → 10K491152+339#20734#20395
10K → 15K61016+594#20395#19801
15K → 20K43440+394#19801#19407
20K → Half1072+105#19407#19302
Half → 25K4696+463#19302#18839
25K → 30K7677+760#18839#18079
30K → 20M3636+357#18079#17722
20M → 21M2538+245#17722#17477
21M → 35K1375+132#17477#17345
35K → 23M2738+265#17345#17080
23M → 24M2623+259#17080#16821
24M → 40K2168+208#16821#16613
40K → 25.2M865+81#16613#16532
25.2M → Finish14820+128#16532#16404
TOTALS4616286+4330
📊

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