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BOSTON MARATHON 2025

Heather Tietjen

Bib: 23667•F

SD

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
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
26:53
↑ 97↓ 3451.5%
10K· 6.21 mi
8:43/mi
53:58
↑ 79↓ 1380.4%
15K· 9.32 mi
8:41/mi
1:20:57
↑ 67↓ 78
20K· 12.43 mi
8:45/mi
1:48:09
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:54:05
↑ 19↓ 370.5%
25K· 15.53 mi
8:48/mi
2:15:24
↑ 66↓ 880.2%
30K· 18.64 mi
9:10/mi
2:43:53
↑ 181↓ 1480.2%
20M
9:14/mi
2:56:26
↑ 64↓ 500.2%
21M
9:49/mi
3:06:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:49/mi
3:12:51
↑ 17↓ 861.7%
23M
9:23/mi
3:24:36
↑ 23↓ 630.6%
24M
9:14/mi
3:33:50
↓ 821.3%
40K· 24.85 mi
9:27/mi
3:41:55
↓ 200.3%
25.2M
10:15/mi
3:45:27
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
3:54:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:05
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:00:43
Pace9:13 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:3926:538:3926:53
8:39
-
10K
6.21 mi11:52:4453:588:4127:05
8:43
+0:04
15K
9.32 mi12:19:431:20:578:4126:59
8:41
-0:02
20K
12.43 mi12:46:551:48:098:4227:12
8:45
+0:04
Half
13.11 mi12:52:511:54:058:425:56
8:42
-0:03
25K
15.53 mi13:14:102:15:248:4321:19
8:48
+0:06
30K
18.64 mi13:42:392:43:538:4728:29
9:10
+0:22
20M
20.00 mi13:55:122:56:268:4912:33
9:14
+0:04
21M
21.00 mi14:05:013:06:158:529:49
9:49
+0:35
35K
21.75 mi14:11:373:12:518:526:36
8:49
-1:00
23M
23.00 mi14:23:223:24:368:5411:45
9:23
+0:34
24M
24.00 mi14:32:363:33:508:559:14
9:14
-0:09
40K
24.85 mi14:40:413:41:558:568:05
9:27
+0:13
25.2M
25.20 mi14:44:133:45:278:573:32
10:15
+0:48
Finish
26.22 mi14:53:343:54:488:589:21
9:11
-1:04

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

8:58 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:41:27

94% of race

Time at Steady Pace

9:49

4% of race

Time at Slower Pace

3:32

2% of race

Average Pace: 8:57 /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 mi11:25:3926:538:3926:53
8:39
#20765
10K
6.21 mi11:52:4453:588:4127:05
8:43
#20849
15K
9.32 mi12:19:431:20:578:4126:59
8:41
#20681
20K
12.43 mi12:46:551:48:098:4227:12
8:45
#20441
Half
13.11 mi12:52:511:54:058:425:56
8:42
#20423
25K
15.53 mi13:14:102:15:248:4321:19
8:48
#20158
30K
18.64 mi13:42:392:43:538:4728:29
9:10
#19826
20M
20.00 mi13:55:122:56:268:4912:33
9:14
#19676
21M
21.00 mi14:05:013:06:158:529:49
9:49
#19532
35K
21.75 mi14:11:373:12:518:526:36
8:49
#19458
23M
23.00 mi14:23:223:24:368:5411:45
9:23
#19387
24M
24.00 mi14:32:363:33:508:559:14
9:14
#19346
40K
24.85 mi14:40:413:41:558:568:05
9:27
#19313
25.2M
25.20 mi14:44:133:45:278:573:32
10:15
#19271
Finish
26.22 mi14:53:343:54:488:589:21
9:11
#19294
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi207657950795020414(Top 72%)7662(Top 63%)7662(Top 588%)
10K6.21 mi3.10 mi20849-847966-167966-1620972(Top 74%)8002(Top 65%)8002(Top 614%)
15K9.32 mi3.11 mi20681+1687853+1137853+11320414(Top 72%)7662(Top 63%)7662(Top 588%)
20K12.43 mi3.11 mi20441+2407726+1277726+12719715(Top 69%)7325(Top 60%)7325(Top 562%)
Half13.11 mi0.68 mi20423+187718+87718+820373(Top 72%)7674(Top 63%)7674(Top 589%)
25K15.53 mi2.42 mi20158+2657579+1397579+13918907(Top 67%)6929(Top 57%)6929(Top 532%)
30K18.64 mi3.11 mi19826+3327417+1627417+16218501(Top 65%)6839(Top 56%)6839(Top 525%)
20M20.00 mi1.36 mi19676+1507360+577360+5717984(Top 63%)6713(Top 55%)6713(Top 515%)
21M21.00 mi1.00 mi19532+1447305+557305+5517583(Top 62%)6582(Top 54%)6582(Top 505%)
35K21.75 mi0.75 mi19458+747278+277278+2717409(Top 61%)6596(Top 54%)6596(Top 506%)
23M23.00 mi1.25 mi19387+717280-27280-218187(Top 64%)7077(Top 58%)7077(Top 543%)
24M24.00 mi1.00 mi19346+417277+37277+318524(Top 65%)7308(Top 60%)7308(Top 561%)
40K24.85 mi0.85 mi19313+337268+97268+918552(Top 65%)7408(Top 61%)7408(Top 569%)
25.2M25.20 mi0.35 mi19271+427259+97259+918139(Top 64%)7214(Top 59%)7214(Top 554%)
Finish26.22 mi1.02 mi19294-237291-327291-3219855(Top 70%)8065(Top 66%)8065(Top 619%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

20414

Females

7662

F50-54

7662

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

20972

Females

8002

F50-54

8002

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

20414

Females

7662

F50-54

7662

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

19715

Females

7325

F50-54

7325

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

20373

Females

7674

F50-54

7674

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

18907

Females

6929

F50-54

6929

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18501

Females

6839

F50-54

6839

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

17984

Females

6713

F50-54

6713

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17583

Females

6582

F50-54

6582

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17409

Females

6596

F50-54

6596

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

18187

Females

7077

F50-54

7077

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

18524

Females

7308

F50-54

7308

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18552

Females

7408

F50-54

7408

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18139

Females

7214

F50-54

7214

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

19855

Females

8065

F50-54

8065

Passing Analysis

Category:
Athletes Passed
2420
Passed By
949
Net Change
+1471
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20765
5K → 10K244328-84#20765#20849
10K → 15K281113+168#20849#20681
15K → 20K30666+240#20681#20441
20K → Half3719+18#20441#20423
Half → 25K31449+265#20423#20158
25K → 30K40270+332#20158#19826
30K → 20M17525+150#19826#19676
20M → 21M17834+144#19676#19532
21M → 35K9117+74#19532#19458
35K → 23M12756+71#19458#19387
23M → 24M8443+41#19387#19346
24M → 40K7340+33#19346#19313
40K → 25.2M5715+42#19313#19271
25.2M → Finish5174-23#19271#19294
TOTALS2420949+1471
📊

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