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BOSTON MARATHON 2025

Dariusz Galazka

Bib: 28835•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
11:00/mi
34:12
↑ 97↓ 3451.5%
10K· 6.21 mi
10:58/mi
1:08:16
↑ 79↓ 1380.4%
15K· 9.32 mi
10:48/mi
1:41:48
↑ 67↓ 78
20K· 12.43 mi
11:00/mi
2:15:58
↑ 106↓ 860.1%
Half· 13.11 mi
10:49/mi
2:23:21
↑ 19↓ 370.5%
25K· 15.53 mi
11:09/mi
2:50:22
↑ 66↓ 880.2%
30K· 18.64 mi
11:37/mi
3:26:27
↑ 181↓ 1480.2%
20M
11:11/mi
3:41:39
↑ 64↓ 500.2%
21M
12:08/mi
3:53:47
↑ 106↓ 241.6%
35K· 21.75 mi
11:08/mi
4:02:07
↑ 17↓ 861.7%
23M
11:24/mi
4:16:23
↑ 23↓ 630.6%
24M
11:19/mi
4:27:42
↓ 821.3%
40K· 24.85 mi
11:38/mi
4:37:39
↓ 200.3%
25.2M
12:28/mi
4:41:57
↑ 13↓ 160.2%
Finish· 26.22 mi
11:15/mi
4:53:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:21
Pace10:56 /mi
2nd Half
Distance13.11 mi
Time2:30:04
Pace11:27 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4834:1211:0034:12
11:00
-
10K
6.21 mi12:25:521:08:1610:5934:04
10:58
-0:02
15K
9.32 mi12:59:241:41:4810:5533:32
10:48
-0:10
20K
12.43 mi13:33:342:15:5810:5634:10
11:00
+0:12
Half
13.11 mi13:40:572:23:2110:567:23
10:49
-0:11
25K
15.53 mi14:07:582:50:2210:5827:01
11:09
+0:20
30K
18.64 mi14:44:033:26:2711:0436:05
11:37
+0:28
20M
20.00 mi14:59:153:41:3911:0515:12
11:11
-0:26
21M
21.00 mi15:11:233:53:4711:0812:08
12:08
+0:57
35K
21.75 mi15:19:434:02:0711:088:20
11:08
-1:00
23M
23.00 mi15:33:594:16:2311:0914:16
11:24
+0:16
24M
24.00 mi15:45:184:27:4211:0911:19
11:19
-0:05
40K
24.85 mi15:55:154:37:3911:109:57
11:38
+0:19
25.2M
25.20 mi15:59:334:41:5711:114:18
12:28
+0:50
Finish
26.22 mi16:11:014:53:2511:1211:28
11:15
-1:13

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

10:48 /mi

Average Pace

11:12 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:36:59

94% of race

Time at Steady Pace

16:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:11 /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 mi11:51:4834:1211:0034:12
11:00
#27574
10K
6.21 mi12:25:521:08:1610:5934:04
10:58
#27294
15K
9.32 mi12:59:241:41:4810:5533:32
10:48
#26970
20K
12.43 mi13:33:342:15:5810:5634:10
11:00
#26703
Half
13.11 mi13:40:572:23:2110:567:23
10:49
#26671
25K
15.53 mi14:07:582:50:2210:5827:01
11:09
#26447
30K
18.64 mi14:44:033:26:2711:0436:05
11:37
#26191
20M
20.00 mi14:59:153:41:3911:0515:12
11:11
#26038
21M
21.00 mi15:11:233:53:4711:0812:08
12:08
#25937
35K
21.75 mi15:19:434:02:0711:088:20
11:08
#25893
23M
23.00 mi15:33:594:16:2311:0914:16
11:24
#25825
24M
24.00 mi15:45:184:27:4211:0911:19
11:19
#25785
40K
24.85 mi15:55:154:37:3911:109:57
11:38
#25745
25.2M
25.20 mi15:59:334:41:5711:114:18
12:28
#25728
Finish
26.22 mi16:11:014:53:2511:1211:28
11:15
#25755
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi27574158131581326403(Top 93%)15332(Top 95%)15332(Top 643%)
10K6.21 mi3.10 mi27294+28015698+11515698+11527020(Top 95%)15569(Top 97%)15569(Top 653%)
15K9.32 mi3.11 mi26970+32415561+13715561+13726403(Top 93%)15332(Top 95%)15332(Top 643%)
20K12.43 mi3.11 mi26703+26715456+10515456+10525987(Top 91%)15117(Top 94%)15117(Top 634%)
Half13.11 mi0.68 mi26671+3215444+1215444+1226291(Top 93%)15230(Top 95%)15230(Top 638%)
25K15.53 mi2.42 mi26447+22415333+11115333+11125408(Top 89%)14823(Top 92%)14823(Top 621%)
30K18.64 mi3.11 mi26191+25615196+13715196+13725022(Top 88%)14538(Top 90%)14538(Top 609%)
20M20.00 mi1.36 mi26038+15315115+8115115+8123971(Top 84%)13968(Top 87%)13968(Top 585%)
21M21.00 mi1.00 mi25937+10115061+5415061+5423820(Top 84%)13830(Top 86%)13830(Top 580%)
35K21.75 mi0.75 mi25893+4415034+2715034+2724498(Top 86%)14109(Top 88%)14109(Top 591%)
23M23.00 mi1.25 mi25825+6814987+4714987+4724074(Top 85%)13879(Top 86%)13879(Top 582%)
24M24.00 mi1.00 mi25785+4014953+3414953+3424604(Top 87%)14112(Top 88%)14112(Top 591%)
40K24.85 mi0.85 mi25745+4014917+3614917+3624377(Top 86%)13955(Top 87%)13955(Top 585%)
25.2M25.20 mi0.35 mi25728+1714905+1214905+1224140(Top 85%)13843(Top 86%)13843(Top 580%)
Finish26.22 mi1.02 mi25755-2714916-1114916-1125801(Top 91%)14688(Top 91%)14688(Top 616%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

26403

Males

15332

M45-49

15332

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

27020

Males

15569

M45-49

15569

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

26403

Males

15332

M45-49

15332

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25987

Males

15117

M45-49

15117

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

26291

Males

15230

M45-49

15230

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

25408

Males

14823

M45-49

14823

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

25022

Males

14538

M45-49

14538

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23971

Males

13968

M45-49

13968

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

23820

Males

13830

M45-49

13830

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

24498

Males

14109

M45-49

14109

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

24074

Males

13879

M45-49

13879

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24604

Males

14112

M45-49

14112

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24377

Males

13955

M45-49

13955

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24140

Males

13843

M45-49

13843

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

25801

Males

14688

M45-49

14688

Passing Analysis

Category:
Athletes Passed
1977
Passed By
158
Net Change
+1819
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27574
5K → 10K29515+280#27574#27294
10K → 15K3339+324#27294#26970
15K → 20K2758+267#26970#26703
20K → Half4311+32#26703#26671
Half → 25K2317+224#26671#26447
25K → 30K27115+256#26447#26191
30K → 20M1563+153#26191#26038
20M → 21M1032+101#26038#25937
21M → 35K517+44#25937#25893
35K → 23M779+68#25893#25825
23M → 24M5515+40#25825#25785
24M → 40K5212+40#25785#25745
40K → 25.2M225+17#25745#25728
25.2M → Finish1340-27#25728#25755
TOTALS1977158+1819
📊

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