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BOSTON MARATHON 2025

Susan Dallas

PA

Bib: 25022 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:59/mi
27:54
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:53/mi
55:30
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:00/mi
1:23:28
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:00/mi
1:51:27
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:39/mi
1:57:21
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:56/mi
2:19:01
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:16/mi
2:47:47
↑ 181↓ 1480.2%
138 ft elev
20M
9:15/mi
3:00:21
↑ 64↓ 500.2%
148 ft elev
21M
9:52/mi
3:10:13
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:57/mi
3:16:55
↑ 17↓ 861.7%
156 ft elev
23M
9:19/mi
3:28:35
↑ 23↓ 630.6%
116 ft elev
24M
9:20/mi
3:37:55
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:46/mi
3:46:16
↓ 200.3%
20 ft elev
25.2M
11:27/mi
3:50:13
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:08/mi
3:59:31
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:21
Pace8:57 /mi
2nd Half
Distance13.11 mi
Time2:02:10
Pace9:19 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:1427:548:5927:54
8:59
-
10K
6.21 mi11:57:5055:308:5627:36
8:53
-0:06
15K
9.32 mi12:25:481:23:288:5727:58
9:00
+0:07
20K
12.43 mi12:53:471:51:278:5827:59
9:00
0:00
Half
13.11 mi12:59:411:57:218:575:54
8:39
-0:21
25K
15.53 mi13:21:212:19:018:5721:40
8:56
+0:17
30K
18.64 mi13:50:072:47:479:0028:46
9:16
+0:20
20M
20.00 mi14:02:413:00:219:0112:34
9:15
-0:01
21M
21.00 mi14:12:333:10:139:039:52
9:52
+0:37
35K
21.75 mi14:19:153:16:559:036:42
8:57
-0:55
23M
23.00 mi14:30:553:28:359:0411:40
9:19
+0:22
24M
24.00 mi14:40:153:37:559:059:20
9:20
+0:01
40K
24.85 mi14:48:363:46:169:068:21
9:46
+0:26
25.2M
25.20 mi14:52:333:50:139:083:57
11:27
+1:41
Finish
26.22 mi15:01:513:59:319:099:18
9:08
-2:19

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

8:39 /mi

Average Pace

9:09 /mi

Slowest Pace

11:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:54

2% of race

Time at Steady Pace

3:31:27

88% of race

Time at Slower Pace

22:10

9% of race

Average Pace: 9:08 /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 mi11:30:1427:548:5927:54
8:59
#22339
10K
6.21 mi11:57:5055:308:5627:36
8:53
#22118
15K
9.32 mi12:25:481:23:288:5727:58
9:00
#22097
20K
12.43 mi12:53:471:51:278:5827:59
9:00
#21791
Half
13.11 mi12:59:411:57:218:575:54
8:39
#21697
25K
15.53 mi13:21:212:19:018:5721:40
8:56
#21341
30K
18.64 mi13:50:072:47:479:0028:46
9:16
#20871
20M
20.00 mi14:02:413:00:219:0112:34
9:15
#20636
21M
21.00 mi14:12:333:10:139:039:52
9:52
#20473
35K
21.75 mi14:19:153:16:559:036:42
8:57
#20368
23M
23.00 mi14:30:553:28:359:0411:40
9:19
#20229
24M
24.00 mi14:40:153:37:559:059:20
9:20
#20194
40K
24.85 mi14:48:363:46:169:068:21
9:46
#20184
25.2M
25.20 mi14:52:333:50:139:083:57
11:27
#20250
Finish
26.22 mi15:01:513:59:319:099:18
9:08
#20260
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi223398820882022053(Top 78%)8584(Top 70%)8584(Top 1376%)
10K6.21 mi3.10 mi22118+2218679+1418679+14121834(Top 77%)8503(Top 70%)8503(Top 1363%)
15K9.32 mi3.11 mi22097+218651+288651+2822053(Top 78%)8584(Top 70%)8584(Top 1376%)
20K12.43 mi3.11 mi21791+3068490+1618490+16121020(Top 74%)8070(Top 66%)8070(Top 1293%)
Half13.11 mi0.68 mi21697+948435+558435+5520107(Top 71%)7547(Top 62%)7547(Top 1209%)
25K15.53 mi2.42 mi21341+3568237+1988237+19819638(Top 69%)7338(Top 60%)7338(Top 1176%)
30K18.64 mi3.11 mi20871+4708022+2158022+21518942(Top 67%)7090(Top 58%)7090(Top 1136%)
20M20.00 mi1.36 mi20636+2357911+1117911+11118058(Top 64%)6753(Top 55%)6753(Top 1082%)
21M21.00 mi1.00 mi20473+1637842+697842+6917799(Top 63%)6696(Top 55%)6696(Top 1073%)
35K21.75 mi0.75 mi20368+1057797+457797+4518066(Top 64%)6948(Top 57%)6948(Top 1113%)
23M23.00 mi1.25 mi20229+1397747+507747+5017882(Top 63%)6939(Top 57%)6939(Top 1112%)
24M24.00 mi1.00 mi20194+357748-17748-118981(Top 67%)7536(Top 62%)7536(Top 1208%)
40K24.85 mi0.85 mi20184+107761-137761-1319714(Top 69%)8000(Top 65%)8000(Top 1282%)
25.2M25.20 mi0.35 mi20250-667799-387799-3821950(Top 77%)9122(Top 75%)9122(Top 1462%)
Finish26.22 mi1.02 mi20260-107814-157814-1519651(Top 69%)7948(Top 65%)7948(Top 1274%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

22053

Females

8584

F60-64

8584

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21834

Females

8503

F60-64

8503

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

22053

Females

8584

F60-64

8584

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

21020

Females

8070

F60-64

8070

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20107

Females

7547

F60-64

7547

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

19638

Females

7338

F60-64

7338

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

18942

Females

7090

F60-64

7090

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18058

Females

6753

F60-64

6753

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

17799

Females

6696

F60-64

6696

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18066

Females

6948

F60-64

6948

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

17882

Females

6939

F60-64

6939

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

18981

Females

7536

F60-64

7536

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19714

Females

8000

F60-64

8000

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21950

Females

9122

F60-64

9122

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19651

Females

7948

F60-64

7948

Passing Analysis

Category:
Athletes Passed
2782
Passed By
703
Net Change
+2079
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22339
5K → 10K384163+221#22339#22118
10K → 15K194173+21#22118#22097
15K → 20K35145+306#22097#21791
20K → Half973+94#21791#21697
Half → 25K3604+356#21697#21341
25K → 30K48818+470#21341#20871
30K → 20M2449+235#20871#20636
20M → 21M17512+163#20636#20473
21M → 35K1138+105#20473#20368
35K → 23M16728+139#20368#20229
23M → 24M6732+35#20229#20194
24M → 40K6757+10#20194#20184
40K → 25.2M1480-66#20184#20250
25.2M → Finish6171-10#20250#20260
TOTALS2782703+2079
📊

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